We're dividing 63127921 by 810 
We're looking to find how many times 810 goes into 63127921.

Advancing to step 1:
6 divided by 810 is 0 with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Grab the next digit (3) from the dividend, add it to 6, then carry on: 63 / 810

Let's proceed to step 2:
If we divide 63 by 810, we get 0 and a remainder of 63.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 63, we get 63.
Grab the next digit (1) from the dividend, add it to 63, then carry on: 631 / 810

Going ahead to step 3:
The number 810 fits into 631 0 times, leaving a remainder of 631.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 631 to get 631.
Grab the next digit (2) from the dividend, add it to 631, then carry on: 6312 / 810

Going ahead to step 4:
When dividing 6312 by 810, we get 7 with a remainder of 642.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
Subtract 5670 from 6312 to get 642.
Bring next digit (7) of the dividend behind the 642 and repeat the process: 6427 / 810

Going ahead to step 5:
6427 divided by 810 is 7 with a remainder of 757.
Record the quotient 7 as the next digit in the result. 
Result so far: 77.0
If we take 5670 away from 6427, we end up with 757.
Take the next digit (9) from the dividend and append it to 757, then repeat: 7579 / 810

Going ahead to step 6:
7579 divided by 810 is 9 with a remainder of 289.
Record the quotient 9 as the next digit in the result. 
Result so far: 779.0
If we take 7290 away from 7579, we end up with 289.
Append the next digit (2) from the dividend to 289 and continue with: 2892 / 810

Step 7:
When dividing 2892 by 810, we get 3 with a remainder of 462.
Put 3 as the next digit of the answer. 
Result so far: 7793.0
Deduct 2430 from 2892 and we're left with 462.
Fetch the next digit (1) from the dividend, attach it to 462 and continue: 4621 / 810

On to step 8:
810 can be fit into 4621 5 times, resulting in a remainder of 571.
The number 5 becomes the next digit in our result. 
Result so far: 77935.0
Subtracting 4050 from 4621 leaves us with 571.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5710, and continue the process.

On to step 9:
5710 divided by 810 is 7 with a remainder of 40.
The number 7 becomes the next digit in our result. 
Result so far: 77935.7
Subtract 5670 from 5710 to 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.

Let's proceed to step 10:
If we divide 400 by 810, we get 0 and a remainder of 400.
Put 0 as the next digit of the answer. 
Result so far: 77935.7
Subtracting 0 from 400 leaves us with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

On to step 11:
4000 divided by 810 is 4 with a remainder of 760.
Write down 4 as next digit of the result. 
Result so far: 77935.704
Subtracting 3240 from 4000 leaves us with 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

Advancing to step 12:
When dividing 7600 by 810, we get 9 with a remainder of 310.
Write down 9 as next digit of the result. 
Result so far: 77935.7049
Subtract 7290 from 7600 to get 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Going ahead to step 13:
The number 810 fits into 3100 3 times, leaving a remainder of 670.
Record the quotient 3 as the next digit in the result. 
Result so far: 77935.70493
Deduct 2430 from 3100 and we're left with 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6700, and continue the process.

Going ahead to step 14:
6700 divided by 810 is 8 with a remainder of 220.
The next digit of our result is 8. 
Result so far: 77935.704938
If we subtract 6480 from 6700, we get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Going ahead to step 15:
2200 divided by 810 is 2 with a remainder of 580.
Record the quotient 2 as the next digit in the result. 
Result so far: 77935.7049382
If we take 1620 away from 2200, we end up with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Advancing to step 16:
If we divide 5800 by 810, we get 7 and a remainder of 130.
Put 7 as the next digit of the answer. 
Result so far: 77935.70493827
Subtract 5670 from 5800 to get 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Our division results in 77935.70493827 with a remaining 1.3e-07.