12971607 divided by 936 
We're looking to find how many times 936 goes into 12971607.

On to step 1:
If we divide 1 by 936, we get 0 and a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Fetch the next digit (2) from the dividend, attach it to 1 and continue: 12 / 936

Going ahead to step 2:
When dividing 12 by 936, we get 0 with a remainder of 12.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 12, we get 12.
Grab the next digit (9) from the dividend, add it to 12, then carry on: 129 / 936

Going ahead to step 3:
The number 936 fits into 129 0 times, leaving a remainder of 129.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 129 to get 129.
Grab the next digit (7) from the dividend, add it to 129, then carry on: 1297 / 936

Step 4:
1297 divided by 936 is 1 with a remainder of 361.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 936 from 1297, we get 361.
Append the next digit (1) from the dividend to 361 and continue with: 3611 / 936

Going ahead to step 5:
936 can be fit into 3611 3 times, resulting in a remainder of 803.
Use 3 as the next digit of our solution. 
Result so far: 13.0
If we subtract 2808 from 3611, we get 803.
Fetch the next digit (6) from the dividend, attach it to 803 and continue: 8036 / 936

On to step 6:
The number 936 fits into 8036 8 times, leaving a remainder of 548.
Put 8 as the next digit of the answer. 
Result so far: 138.0
The remainder is 548 after subtracting 7488 from 8036.
Include the next digit (0) from the dividend after 548, then repeat: 5480 / 936

Step 7:
936 can be fit into 5480 5 times, resulting in a remainder of 800.
Record the quotient 5 as the next digit in the result. 
Result so far: 1385.0
Deduct 4680 from 5480 and we're left with 800.
Append the next digit (7) from the dividend to 800 and continue with: 8007 / 936

On to step 8:
The number 936 fits into 8007 8 times, leaving a remainder of 519.
Use 8 as the next digit of our solution. 
Result so far: 13858.0
The remainder is 519 after subtracting 7488 from 8007.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5190, and continue the process.

Going ahead to step 9:
The number 936 fits into 5190 5 times, leaving a remainder of 510.
The next digit of our result is 5. 
Result so far: 13858.5
Subtracting 4680 from 5190 leaves us with 510.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5100, and continue the process.

Going ahead to step 10:
The number 936 fits into 5100 5 times, leaving a remainder of 420.
Record the quotient 5 as the next digit in the result. 
Result so far: 13858.55
Subtracting 4680 from 5100 leaves us with 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

The final result is 13858.55 with a remainder of 0.42.