7779090 divided by 778 
We're looking to find how many times 778 goes into 7779090.

Step 1:
If we divide 7 by 778, we get 0 and a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Fetch the next digit (7) from the dividend, attach it to 7 and continue: 77 / 778

Let's proceed to step 2:
778 can be fit into 77 0 times, resulting in a remainder of 77.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 77, we get 77.
Grab the next digit (7) from the dividend, add it to 77, then carry on: 777 / 778

On to step 3:
778 goes into 777 0 times with a remainder of 777.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 777 to get 777.
Take the next digit (9) from the dividend and append it to 777, then repeat: 7779 / 778

Going ahead to step 4:
778 goes into 7779 9 times with a remainder of 777.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
If we subtract 7002 from 7779, we get 777.
Bring next digit (0) of the dividend behind the 777 and repeat the process: 7770 / 778

Let's proceed to step 5:
778 goes into 7770 9 times with a remainder of 768.
The next digit of our result is 9. 
Result so far: 99.0
If we subtract 7002 from 7770, we get 768.
Take the next digit (9) from the dividend and append it to 768, then repeat: 7689 / 778

Going ahead to step 6:
778 can be fit into 7689 9 times, resulting in a remainder of 687.
Write down 9 as next digit of the result. 
Result so far: 999.0
Subtracting 7002 from 7689 leaves us with 687.
Bring next digit (0) of the dividend behind the 687 and repeat the process: 6870 / 778

On to step 7:
When dividing 6870 by 778, we get 8 with a remainder of 646.
The next digit of our result is 8. 
Result so far: 9998.0
If we subtract 6224 from 6870, we get 646.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6460, and continue the process.

Moving on to step 8:
If we divide 6460 by 778, we get 8 and a remainder of 236.
The number 8 becomes the next digit in our result. 
Result so far: 9998.8
If we subtract 6224 from 6460, we get 236.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2360, and continue the process.

Advancing to step 9:
If we divide 2360 by 778, we get 3 and a remainder of 26.
Write down 3 as next digit of the result. 
Result so far: 9998.83
Subtract 2334 from 2360 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Going ahead to step 10:
778 goes into 260 0 times with a remainder of 260.
Put 0 as the next digit of the answer. 
Result so far: 9998.83
Deduct 0 from 260 and we're left with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Going ahead to step 11:
The number 778 fits into 2600 3 times, leaving a remainder of 266.
Put 3 as the next digit of the answer. 
Result so far: 9998.8303
Subtracting 2334 from 2600 leaves us with 266.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2660, and continue the process.

Moving on to step 12:
778 can be fit into 2660 3 times, resulting in a remainder of 326.
Put 3 as the next digit of the answer. 
Result so far: 9998.83033
The remainder is 326 after subtracting 2334 from 2660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3260, and continue the process.

The final outcome is 9998.83033, with a leftover of 0.000326.