Let's divide 91988883 by 399
We want to figure out the number of times 91988883 can be divided by 399.

Step 1:
399 goes into 9 0 times with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Append the next digit (1) from the dividend to 9 and continue with: 91 / 399

Going ahead to step 2:
When dividing 91 by 399, we get 0 with a remainder of 91.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 91 leaves us with 91.
Bring next digit (9) of the dividend behind the 91 and repeat the process: 919 / 399

Let's proceed to step 3:
The number 399 fits into 919 2 times, leaving a remainder of 121.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we take 798 away from 919, we end up with 121.
Bring next digit (8) of the dividend behind the 121 and repeat the process: 1218 / 399

Moving on to step 4:
When dividing 1218 by 399, we get 3 with a remainder of 21.
Record the quotient 3 as the next digit in the result. 
Result so far: 23.0
Deduct 1197 from 1218 and we're left with 21.
Take the next digit (8) from the dividend and append it to 21, then repeat: 218 / 399

On to step 5:
When dividing 218 by 399, we get 0 with a remainder of 218.
Record the quotient 0 as the next digit in the result. 
Result so far: 230.0
If we subtract 0 from 218, we get 218.
Take the next digit (8) from the dividend and append it to 218, then repeat: 2188 / 399

Advancing to step 6:
2188 divided by 399 is 5 with a remainder of 193.
Record the quotient 5 as the next digit in the result. 
Result so far: 2305.0
Subtracting 1995 from 2188 leaves us with 193.
Take the next digit (8) from the dividend and append it to 193, then repeat: 1938 / 399

Let's proceed to step 7:
399 can be fit into 1938 4 times, resulting in a remainder of 342.
Write down 4 as next digit of the result. 
Result so far: 23054.0
Subtract 1596 from 1938 to get 342.
Take the next digit (3) from the dividend and append it to 342, then repeat: 3423 / 399

Advancing to step 8:
399 can be fit into 3423 8 times, resulting in a remainder of 231.
The number 8 becomes the next digit in our result. 
Result so far: 230548.0
Deduct 3192 from 3423 and we're left with 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

Moving on to step 9:
2310 divided by 399 is 5 with a remainder of 315.
Put 5 as the next digit of the answer. 
Result so far: 230548.5
The remainder is 315 after subtracting 1995 from 2310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3150, and continue the process.

Moving on to step 10:
The number 399 fits into 3150 7 times, leaving a remainder of 357.
The number 7 becomes the next digit in our result. 
Result so far: 230548.57
The remainder is 357 after subtracting 2793 from 3150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3570, and continue the process.

Step 11:
If we divide 3570 by 399, we get 8 and a remainder of 378.
Record the quotient 8 as the next digit in the result. 
Result so far: 230548.578
Subtracting 3192 from 3570 leaves us with 378.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3780, and continue the process.

Going ahead to step 12:
399 can be fit into 3780 9 times, resulting in a remainder of 189.
Record the quotient 9 as the next digit in the result. 
Result so far: 230548.5789
Deduct 3591 from 3780 and we're left with 189.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1890, and continue the process.

Advancing to step 13:
If we divide 1890 by 399, we get 4 and a remainder of 294.
Put 4 as the next digit of the answer. 
Result so far: 230548.57894
The remainder is 294 after subtracting 1596 from 1890.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2940, and continue the process.

Advancing to step 14:
When dividing 2940 by 399, we get 7 with a remainder of 147.
Record the quotient 7 as the next digit in the result. 
Result so far: 230548.578947
Subtracting 2793 from 2940 leaves us with 147.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1470, and continue the process.

Advancing to step 15:
399 can be fit into 1470 3 times, resulting in a remainder of 273.
Record the quotient 3 as the next digit in the result. 
Result so far: 230548.5789473
If we take 1197 away from 1470, we end up with 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

On to step 16:
The number 399 fits into 2730 6 times, leaving a remainder of 336.
Write down 6 as next digit of the result. 
Result so far: 230548.57894736
The remainder is 336 after subtracting 2394 from 2730.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

After the division, we end up with 230548.57894736 and a remainder of 3.36e-07.