Let's divide 19961728 by 515
We want to divide 19961728 by 515.

Step 1:
The number 515 fits into 1 0 times, leaving a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Fetch the next digit (9) from the dividend, attach it to 1 and continue: 19 / 515

On to step 2:
When dividing 19 by 515, we get 0 with a remainder of 19.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 19, we end up with 19.
Include the next digit (9) from the dividend after 19, then repeat: 199 / 515

On to step 3:
The number 515 fits into 199 0 times, leaving a remainder of 199.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 199, we end up with 199.
Append the next digit (6) from the dividend to 199 and continue with: 1996 / 515

Let's proceed to step 4:
515 can be fit into 1996 3 times, resulting in a remainder of 451.
The next digit of our result is 3. 
Result so far: 3.0
The remainder is 451 after subtracting 1545 from 1996.
Fetch the next digit (1) from the dividend, attach it to 451 and continue: 4511 / 515

Step 5:
4511 divided by 515 is 8 with a remainder of 391.
The number 8 becomes the next digit in our result. 
Result so far: 38.0
If we take 4120 away from 4511, we end up with 391.
Take the next digit (7) from the dividend and append it to 391, then repeat: 3917 / 515

Advancing to step 6:
3917 divided by 515 is 7 with a remainder of 312.
The next digit of our result is 7. 
Result so far: 387.0
Subtracting 3605 from 3917 leaves us with 312.
Fetch the next digit (2) from the dividend, attach it to 312 and continue: 3122 / 515

Let's proceed to step 7:
515 goes into 3122 6 times with a remainder of 32.
The next digit of our result is 6. 
Result so far: 3876.0
The remainder is 32 after subtracting 3090 from 3122.
Include the next digit (8) from the dividend after 32, then repeat: 328 / 515

Moving on to step 8:
515 goes into 328 0 times with a remainder of 328.
Record the quotient 0 as the next digit in the result. 
Result so far: 38760.0
The remainder is 328 after subtracting 0 from 328.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

Going ahead to step 9:
515 goes into 3280 6 times with a remainder of 190.
The number 6 becomes the next digit in our result. 
Result so far: 38760.6
If we subtract 3090 from 3280, we get 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Advancing to step 10:
515 can be fit into 1900 3 times, resulting in a remainder of 355.
The next digit of our result is 3. 
Result so far: 38760.63
Subtracting 1545 from 1900 leaves us with 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

Let's proceed to step 11:
3550 divided by 515 is 6 with a remainder of 460.
Use 6 as the next digit of our solution. 
Result so far: 38760.636
Deduct 3090 from 3550 and we're left with 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

Going ahead to step 12:
515 goes into 4600 8 times with a remainder of 480.
Put 8 as the next digit of the answer. 
Result so far: 38760.6368
Deduct 4120 from 4600 and we're left with 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

On to step 13:
The number 515 fits into 4800 9 times, leaving a remainder of 165.
Put 9 as the next digit of the answer. 
Result so far: 38760.63689
The remainder is 165 after subtracting 4635 from 4800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Let's proceed to step 14:
1650 divided by 515 is 3 with a remainder of 105.
Record the quotient 3 as the next digit in the result. 
Result so far: 38760.636893
Subtract 1545 from 1650 to get 105.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1050, and continue the process.

Moving on to step 15:
1050 divided by 515 is 2 with a remainder of 20.
Put 2 as the next digit of the answer. 
Result so far: 38760.6368932
If we take 1030 away from 1050, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 16:
When dividing 200 by 515, we get 0 with a remainder of 200.
The next digit of our result is 0. 
Result so far: 38760.6368932
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

The quotient of the division is 38760.6368932, and the remainder is 2e-07.