We look at the division of 12691310 by 615 
Let's see how many times 615 fits into 12691310.

Let's proceed to step 1:
When dividing 1 by 615, we get 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (2) from the dividend and append it to 1, then repeat: 12 / 615

Let's proceed to step 2:
If we divide 12 by 615, we get 0 and a remainder of 12.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 12 to get 12.
Fetch the next digit (6) from the dividend, attach it to 12 and continue: 126 / 615

On to step 3:
615 goes into 126 0 times with a remainder of 126.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 126 and we're left with 126.
Append the next digit (9) from the dividend to 126 and continue with: 1269 / 615

Step 4:
The number 615 fits into 1269 2 times, leaving a remainder of 39.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtracting 1230 from 1269 leaves us with 39.
Include the next digit (1) from the dividend after 39, then repeat: 391 / 615

Let's proceed to step 5:
The number 615 fits into 391 0 times, leaving a remainder of 391.
The next digit of our result is 0. 
Result so far: 20.0
If we take 0 away from 391, we end up with 391.
Append the next digit (3) from the dividend to 391 and continue with: 3913 / 615

Going ahead to step 6:
If we divide 3913 by 615, we get 6 and a remainder of 223.
The number 6 becomes the next digit in our result. 
Result so far: 206.0
Subtract 3690 from 3913 to get 223.
Bring next digit (1) of the dividend behind the 223 and repeat the process: 2231 / 615

Advancing to step 7:
If we divide 2231 by 615, we get 3 and a remainder of 386.
Write down 3 as next digit of the result. 
Result so far: 2063.0
If we subtract 1845 from 2231, we get 386.
Append the next digit (0) from the dividend to 386 and continue with: 3860 / 615

On to step 8:
615 can be fit into 3860 6 times, resulting in a remainder of 170.
Put 6 as the next digit of the answer. 
Result so far: 20636.0
Deduct 3690 from 3860 and we're left with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Moving on to step 9:
615 can be fit into 1700 2 times, resulting in a remainder of 470.
Write down 2 as next digit of the result. 
Result so far: 20636.2
Deduct 1230 from 1700 and we're left with 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4700, and continue the process.

On to step 10:
If we divide 4700 by 615, we get 7 and a remainder of 395.
The next digit of our result is 7. 
Result so far: 20636.27
If we take 4305 away from 4700, we end up with 395.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3950, and continue the process.

Step 11:
If we divide 3950 by 615, we get 6 and a remainder of 260.
Use 6 as the next digit of our solution. 
Result so far: 20636.276
Deduct 3690 from 3950 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.

Step 12:
615 can be fit into 2600 4 times, resulting in a remainder of 140.
The number 4 becomes the next digit in our result. 
Result so far: 20636.2764
The remainder is 140 after subtracting 2460 from 2600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Advancing to step 13:
If we divide 1400 by 615, we get 2 and a remainder of 170.
Record the quotient 2 as the next digit in the result. 
Result so far: 20636.27642
If we take 1230 away from 1400, we end up with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Going ahead to step 14:
615 goes into 1700 2 times with a remainder of 470.
Put 2 as the next digit of the answer. 
Result so far: 20636.276422
Subtract 1230 from 1700 to get 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4700, and continue the process.

Our division results in 20636.276422 with a remaining 4.7e-05.