39962179 ÷ 402 
We want to divide 39962179 by 402.

Let's proceed to step 1:
The number 402 fits into 3 0 times, leaving a remainder of 3.
Record the quotient 0 as the next digit in 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 / 402

Advancing to step 2:
When dividing 39 by 402, we get 0 with a remainder of 39.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Include the next digit (9) from the dividend after 39, then repeat: 399 / 402

On to step 3:
The number 402 fits into 399 0 times, leaving a remainder of 399.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 399 and we're left with 399.
Append the next digit (6) from the dividend to 399 and continue with: 3996 / 402

Advancing to step 4:
The number 402 fits into 3996 9 times, leaving a remainder of 378.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
The remainder is 378 after subtracting 3618 from 3996.
Include the next digit (2) from the dividend after 378, then repeat: 3782 / 402

Moving on to step 5:
402 can be fit into 3782 9 times, resulting in a remainder of 164.
Use 9 as the next digit of our solution. 
Result so far: 99.0
Deduct 3618 from 3782 and we're left with 164.
Include the next digit (1) from the dividend after 164, then repeat: 1641 / 402

Going ahead to step 6:
1641 divided by 402 is 4 with a remainder of 33.
Use 4 as the next digit of our solution. 
Result so far: 994.0
Deduct 1608 from 1641 and we're left with 33.
Grab the next digit (7) from the dividend, add it to 33, then carry on: 337 / 402

Step 7:
The number 402 fits into 337 0 times, leaving a remainder of 337.
Put 0 as the next digit of the answer. 
Result so far: 9940.0
If we take 0 away from 337, we end up with 337.
Grab the next digit (9) from the dividend, add it to 337, then carry on: 3379 / 402

Advancing to step 8:
3379 divided by 402 is 8 with a remainder of 163.
Put 8 as the next digit of the answer. 
Result so far: 99408.0
If we subtract 3216 from 3379, we get 163.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1630, and continue the process.

Going ahead to step 9:
If we divide 1630 by 402, we get 4 and a remainder of 22.
Record the quotient 4 as the next digit in the result. 
Result so far: 99408.4
Subtract 1608 from 1630 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

On to step 10:
If we divide 220 by 402, we get 0 and a remainder of 220.
The number 0 becomes the next digit in our result. 
Result so far: 99408.4
The remainder is 220 after subtracting 0 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Step 11:
402 goes into 2200 5 times with a remainder of 190.
Use 5 as the next digit of our solution. 
Result so far: 99408.405
Subtract 2010 from 2200 to 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.

Going ahead to step 12:
402 goes into 1900 4 times with a remainder of 292.
Record the quotient 4 as the next digit in the result. 
Result so far: 99408.4054
Subtracting 1608 from 1900 leaves us with 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

Going ahead to step 13:
The number 402 fits into 2920 7 times, leaving a remainder of 106.
Write down 7 as next digit of the result. 
Result so far: 99408.40547
Deduct 2814 from 2920 and we're left with 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Let's proceed to step 14:
1060 divided by 402 is 2 with a remainder of 256.
The number 2 becomes the next digit in our result. 
Result so far: 99408.405472
Subtracting 804 from 1060 leaves us with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Moving on to step 15:
402 can be fit into 2560 6 times, resulting in a remainder of 148.
The number 6 becomes the next digit in our result. 
Result so far: 99408.4054726
The remainder is 148 after subtracting 2412 from 2560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

Going ahead to step 16:
The number 402 fits into 1480 3 times, leaving a remainder of 274.
Put 3 as the next digit of the answer. 
Result so far: 99408.40547263
If we take 1206 away from 1480, we end up with 274.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2740, and continue the process.

Our division results in 99408.40547263 with a remaining 2.74e-07.