We divide 12099636 by 639
We're looking to find how many times 639 goes into 12099636.

Let's proceed to step 1:
639 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (2) from the dividend, add it to 1, then carry on: 12 / 639

Let's proceed to step 2:
639 can be fit into 12 0 times, resulting in a remainder of 12.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 12 and we're left with 12.
Append the next digit (0) from the dividend to 12 and continue with: 120 / 639

Let's proceed to step 3:
The number 639 fits into 120 0 times, leaving a remainder of 120.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 120 and we're left with 120.
Grab the next digit (9) from the dividend, add it to 120, then carry on: 1209 / 639

Let's proceed to step 4:
The number 639 fits into 1209 1 times, leaving a remainder of 570.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 639 from 1209, we get 570.
Fetch the next digit (9) from the dividend, attach it to 570 and continue: 5709 / 639

Step 5:
639 goes into 5709 8 times with a remainder of 597.
Record the quotient 8 as the next digit in the result. 
Result so far: 18.0
Subtracting 5112 from 5709 leaves us with 597.
Take the next digit (6) from the dividend and append it to 597, then repeat: 5976 / 639

Advancing to step 6:
639 goes into 5976 9 times with a remainder of 225.
Write down 9 as next digit of the result. 
Result so far: 189.0
The remainder is 225 after subtracting 5751 from 5976.
Append the next digit (3) from the dividend to 225 and continue with: 2253 / 639

Advancing to step 7:
639 can be fit into 2253 3 times, resulting in a remainder of 336.
Put 3 as the next digit of the answer. 
Result so far: 1893.0
The remainder is 336 after subtracting 1917 from 2253.
Append the next digit (6) from the dividend to 336 and continue with: 3366 / 639

Advancing to step 8:
When dividing 3366 by 639, we get 5 with a remainder of 171.
Record the quotient 5 as the next digit in the result. 
Result so far: 18935.0
If we subtract 3195 from 3366, we get 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Moving on to step 9:
The number 639 fits into 1710 2 times, leaving a remainder of 432.
Record the quotient 2 as the next digit in the result. 
Result so far: 18935.2
Subtract 1278 from 1710 to get 432.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4320, and continue the process.

Let's proceed to step 10:
When dividing 4320 by 639, we get 6 with a remainder of 486.
Put 6 as the next digit of the answer. 
Result so far: 18935.26
Deduct 3834 from 4320 and we're left with 486.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4860, and continue the process.

Advancing to step 11:
The number 639 fits into 4860 7 times, leaving a remainder of 387.
Record the quotient 7 as the next digit in the result. 
Result so far: 18935.267
Deduct 4473 from 4860 and we're left with 387.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3870, and continue the process.

Advancing to step 12:
639 can be fit into 3870 6 times, resulting in a remainder of 36.
Record the quotient 6 as the next digit in the result. 
Result so far: 18935.2676
If we take 3834 away from 3870, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 13:
The number 639 fits into 360 0 times, leaving a remainder of 360.
Use 0 as the next digit of our solution. 
Result so far: 18935.2676
If we subtract 0 from 360, we get 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

On to step 14:
639 can be fit into 3600 5 times, resulting in a remainder of 405.
The next digit of our result is 5. 
Result so far: 18935.267605
If we take 3195 away from 3600, we end up with 405.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

Moving on to step 15:
639 can be fit into 4050 6 times, resulting in a remainder of 216.
The next digit of our result is 6. 
Result so far: 18935.2676056
Subtract 3834 from 4050 to get 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

Advancing to step 16:
If we divide 2160 by 639, we get 3 and a remainder of 243.
Record the quotient 3 as the next digit in the result. 
Result so far: 18935.26760563
Deduct 1917 from 2160 and we're left with 243.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2430, and continue the process.

The final result is 18935.26760563 with a remainder of 2.43e-07.