We're dividing 646489 by 78 
We want to figure out the number of times 646489 can be divided by 78.

Let's proceed to step 1:
If we divide 6 by 78, we get 0 and a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 78

Step 2:
If we divide 64 by 78, we get 0 and a remainder of 64.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 64, we end up with 64.
Grab the next digit (6) from the dividend, add it to 64, then carry on: 646 / 78

Moving on to step 3:
If we divide 646 by 78, we get 8 and a remainder of 22.
Put 8 as the next digit of the answer. 
Result so far: 8.0
Deduct 624 from 646 and we're left with 22.
Include the next digit (4) from the dividend after 22, then repeat: 224 / 78

Step 4:
78 goes into 224 2 times with a remainder of 68.
Record the quotient 2 as the next digit in the result. 
Result so far: 82.0
The remainder is 68 after subtracting 156 from 224.
Bring next digit (8) of the dividend behind the 68 and repeat the process: 688 / 78

Step 5:
78 can be fit into 688 8 times, resulting in a remainder of 64.
Record the quotient 8 as the next digit in the result. 
Result so far: 828.0
Subtracting 624 from 688 leaves us with 64.
Bring next digit (9) of the dividend behind the 64 and repeat the process: 649 / 78

Moving on to step 6:
If we divide 649 by 78, we get 8 and a remainder of 25.
Put 8 as the next digit of the answer. 
Result so far: 8288.0
Deduct 624 from 649 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Step 7:
When dividing 250 by 78, we get 3 with a remainder of 16.
Put 3 as the next digit of the answer. 
Result so far: 8288.3
Subtracting 234 from 250 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Let's proceed to step 8:
78 goes into 160 2 times with a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 8288.32
If we take 156 away from 160, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 9:
78 can be fit into 40 0 times, resulting in a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 8288.32
If we subtract 0 from 40, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 10:
400 divided by 78 is 5 with a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 8288.3205
The remainder is 10 after subtracting 390 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 11:
When dividing 100 by 78, we get 1 with a remainder of 22.
The number 1 becomes the next digit in our result. 
Result so far: 8288.32051
Subtracting 78 from 100 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Step 12:
78 can be fit into 220 2 times, resulting in a remainder of 64.
The number 2 becomes the next digit in our result. 
Result so far: 8288.320512
Deduct 156 from 220 and we're left with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Moving on to step 13:
When dividing 640 by 78, we get 8 with a remainder of 16.
Put 8 as the next digit of the answer. 
Result so far: 8288.3205128
Subtract 624 from 640 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 14:
160 divided by 78 is 2 with a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 8288.32051282
If we subtract 156 from 160, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The quotient of the division is 8288.32051282, and the remainder is 4e-09.