81568257 divided by 680 
Let's see how many times 680 fits into 81568257.

Let's proceed to step 1:
If we divide 8 by 680, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 680

Moving on to step 2:
680 goes into 81 0 times with a remainder of 81.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Take the next digit (5) from the dividend and append it to 81, then repeat: 815 / 680

Advancing to step 3:
The number 680 fits into 815 1 times, leaving a remainder of 135.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 680 from 815 and we're left with 135.
Append the next digit (6) from the dividend to 135 and continue with: 1356 / 680

Let's proceed to step 4:
1356 divided by 680 is 1 with a remainder of 676.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
The remainder is 676 after subtracting 680 from 1356.
Include the next digit (8) from the dividend after 676, then repeat: 6768 / 680

Let's proceed to step 5:
When dividing 6768 by 680, we get 9 with a remainder of 648.
The number 9 becomes the next digit in our result. 
Result so far: 119.0
If we subtract 6120 from 6768, we get 648.
Take the next digit (2) from the dividend and append it to 648, then repeat: 6482 / 680

Going ahead to step 6:
If we divide 6482 by 680, we get 9 and a remainder of 362.
Record the quotient 9 as the next digit in the result. 
Result so far: 1199.0
Deduct 6120 from 6482 and we're left with 362.
Bring next digit (5) of the dividend behind the 362 and repeat the process: 3625 / 680

Step 7:
3625 divided by 680 is 5 with a remainder of 225.
Put 5 as the next digit of the answer. 
Result so far: 11995.0
If we subtract 3400 from 3625, we get 225.
Include the next digit (7) from the dividend after 225, then repeat: 2257 / 680

Moving on to step 8:
680 goes into 2257 3 times with a remainder of 217.
Record the quotient 3 as the next digit in the result. 
Result so far: 119953.0
The remainder is 217 after subtracting 2040 from 2257.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2170, and continue the process.

On to step 9:
The number 680 fits into 2170 3 times, leaving a remainder of 130.
Write down 3 as next digit of the result. 
Result so far: 119953.3
Subtracting 2040 from 2170 leaves us with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Advancing to step 10:
1300 divided by 680 is 1 with a remainder of 620.
The next digit of our result is 1. 
Result so far: 119953.31
The remainder is 620 after subtracting 680 from 1300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6200, and continue the process.

Going ahead to step 11:
680 goes into 6200 9 times with a remainder of 80.
Write down 9 as next digit of the result. 
Result so far: 119953.319
The remainder is 80 after subtracting 6120 from 6200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Moving on to step 12:
When dividing 800 by 680, we get 1 with a remainder of 120.
The next digit of our result is 1. 
Result so far: 119953.3191
Subtract 680 from 800 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

On to step 13:
When dividing 1200 by 680, we get 1 with a remainder of 520.
Record the quotient 1 as the next digit in the result. 
Result so far: 119953.31911
If we subtract 680 from 1200, we get 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

After the division, we end up with 119953.31911 and a remainder of 0.00052.