We divide 87951551 by 648
Let's see how many times 648 fits into 87951551.

On to step 1:
8 divided by 648 is 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (7) from the dividend, add it to 8, then carry on: 87 / 648

Going ahead to step 2:
87 divided by 648 is 0 with a remainder of 87.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 87, we end up with 87.
Include the next digit (9) from the dividend after 87, then repeat: 879 / 648

Going ahead to step 3:
648 goes into 879 1 times with a remainder of 231.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 648 away from 879, we end up with 231.
Include the next digit (5) from the dividend after 231, then repeat: 2315 / 648

Advancing to step 4:
2315 divided by 648 is 3 with a remainder of 371.
Put 3 as the next digit of the answer. 
Result so far: 13.0
Subtracting 1944 from 2315 leaves us with 371.
Fetch the next digit (1) from the dividend, attach it to 371 and continue: 3711 / 648

Going ahead to step 5:
3711 divided by 648 is 5 with a remainder of 471.
Record the quotient 5 as the next digit in the result. 
Result so far: 135.0
If we subtract 3240 from 3711, we get 471.
Include the next digit (5) from the dividend after 471, then repeat: 4715 / 648

On to step 6:
If we divide 4715 by 648, we get 7 and a remainder of 179.
Use 7 as the next digit of our solution. 
Result so far: 1357.0
Deduct 4536 from 4715 and we're left with 179.
Include the next digit (5) from the dividend after 179, then repeat: 1795 / 648

Moving on to step 7:
1795 divided by 648 is 2 with a remainder of 499.
Record the quotient 2 as the next digit in the result. 
Result so far: 13572.0
If we take 1296 away from 1795, we end up with 499.
Fetch the next digit (1) from the dividend, attach it to 499 and continue: 4991 / 648

Moving on to step 8:
If we divide 4991 by 648, we get 7 and a remainder of 455.
The next digit of our result is 7. 
Result so far: 135727.0
Subtracting 4536 from 4991 leaves us with 455.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4550, and continue the process.

Let's proceed to step 9:
The number 648 fits into 4550 7 times, leaving a remainder of 14.
The next digit of our result is 7. 
Result so far: 135727.7
If we take 4536 away from 4550, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Going ahead to step 10:
648 goes into 140 0 times with a remainder of 140.
Record the quotient 0 as the next digit in the result. 
Result so far: 135727.7
Subtract 0 from 140 to get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

On to step 11:
When dividing 1400 by 648, we get 2 with a remainder of 104.
Use 2 as the next digit of our solution. 
Result so far: 135727.702
If we subtract 1296 from 1400, we get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Advancing to step 12:
648 goes into 1040 1 times with a remainder of 392.
Record the quotient 1 as the next digit in the result. 
Result so far: 135727.7021
Deduct 648 from 1040 and we're left with 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Advancing to step 13:
3920 divided by 648 is 6 with a remainder of 32.
Use 6 as the next digit of our solution. 
Result so far: 135727.70216
Deduct 3888 from 3920 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 14:
648 goes into 320 0 times with a remainder of 320.
The next digit of our result is 0. 
Result so far: 135727.70216
If we subtract 0 from 320, we get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Going ahead to step 15:
When dividing 3200 by 648, we get 4 with a remainder of 608.
Record the quotient 4 as the next digit in the result. 
Result so far: 135727.7021604
The remainder is 608 after subtracting 2592 from 3200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6080, and continue the process.

Step 16:
If we divide 6080 by 648, we get 9 and a remainder of 248.
Put 9 as the next digit of the answer. 
Result so far: 135727.70216049
Subtracting 5832 from 6080 leaves us with 248.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2480, and continue the process.

In conclusion, the division gives 135727.70216049 with a balance of 2.48e-07.