We're dividing 39660 by 63 
We want to divide 39660 by 63.

Advancing to step 1:
When dividing 3 by 63, we get 0 with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Fetch the next digit (9) from the dividend, attach it to 3 and continue: 39 / 63

Let's proceed to step 2:
63 goes into 39 0 times with a remainder of 39.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Include the next digit (6) from the dividend after 39, then repeat: 396 / 63

Advancing to step 3:
63 goes into 396 6 times with a remainder of 18.
Write down 6 as next digit of the result. 
Result so far: 6.0
If we take 378 away from 396, we end up with 18.
Fetch the next digit (6) from the dividend, attach it to 18 and continue: 186 / 63

On to step 4:
186 divided by 63 is 2 with a remainder of 60.
The next digit of our result is 2. 
Result so far: 62.0
If we subtract 126 from 186, we get 60.
Fetch the next digit (0) from the dividend, attach it to 60 and continue: 600 / 63

Step 5:
63 goes into 600 9 times with a remainder of 33.
Record the quotient 9 as the next digit in the result. 
Result so far: 629.0
The remainder is 33 after subtracting 567 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Let's proceed to step 6:
63 can be fit into 330 5 times, resulting in a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 629.5
If we subtract 315 from 330, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 7:
The number 63 fits into 150 2 times, leaving a remainder of 24.
Write down 2 as next digit of the result. 
Result so far: 629.52
Subtracting 126 from 150 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Let's proceed to step 8:
240 divided by 63 is 3 with a remainder of 51.
Write down 3 as next digit of the result. 
Result so far: 629.523
Deduct 189 from 240 and we're left with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

On to step 9:
When dividing 510 by 63, we get 8 with a remainder of 6.
Record the quotient 8 as the next digit in the result. 
Result so far: 629.5238
If we take 504 away from 510, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 10:
The number 63 fits into 60 0 times, leaving a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 629.5238
Deduct 0 from 60 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 11:
The number 63 fits into 600 9 times, leaving a remainder of 33.
Write down 9 as next digit of the result. 
Result so far: 629.523809
Deduct 567 from 600 and we're left with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Going ahead to step 12:
63 can be fit into 330 5 times, resulting in a remainder of 15.
The next digit of our result is 5. 
Result so far: 629.5238095
Subtracting 315 from 330 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 13:
150 divided by 63 is 2 with a remainder of 24.
The next digit of our result is 2. 
Result so far: 629.52380952
If we subtract 126 from 150, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

After the division, we end up with 629.52380952 and a remainder of 2.4e-08.