39936 divided by 40 
We want to divide 39936 by 40.

Going ahead to step 1:
The number 40 fits into 3 0 times, leaving a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Take the next digit (9) from the dividend and append it to 3, then repeat: 39 / 40

Advancing to step 2:
40 can be fit into 39 0 times, resulting in a remainder of 39.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 39 and we're left with 39.
Append the next digit (9) from the dividend to 39 and continue with: 399 / 40

Step 3:
The number 40 fits into 399 9 times, leaving a remainder of 39.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Subtract 360 from 399 to get 39.
Grab the next digit (3) from the dividend, add it to 39, then carry on: 393 / 40

Let's proceed to step 4:
When dividing 393 by 40, we get 9 with a remainder of 33.
Use 9 as the next digit of our solution. 
Result so far: 99.0
Deduct 360 from 393 and we're left with 33.
Bring next digit (6) of the dividend behind the 33 and repeat the process: 336 / 40

Let's proceed to step 5:
40 goes into 336 8 times with a remainder of 16.
Put 8 as the next digit of the answer. 
Result so far: 998.0
Subtract 320 from 336 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 6:
40 goes into 160 4 times with a remainder of 0.
Write down 4 as next digit of the result. 
Result so far: 998.4
If we take 160 away from 160, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 7:
40 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 998.4
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 8:
0 divided by 40 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 998.4
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 998.4 with a remainder of 0.0.