We divide 9991240 by 392
Let's see how many times 392 fits into 9991240.

Going ahead to step 1:
9 divided by 392 is 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Grab the next digit (9) from the dividend, add it to 9, then carry on: 99 / 392

Going ahead to step 2:
If we divide 99 by 392, we get 0 and a remainder of 99.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 99 after subtracting 0 from 99.
Include the next digit (9) from the dividend after 99, then repeat: 999 / 392

Moving on to step 3:
392 can be fit into 999 2 times, resulting in a remainder of 215.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Subtract 784 from 999 to get 215.
Append the next digit (1) from the dividend to 215 and continue with: 2151 / 392

On to step 4:
2151 divided by 392 is 5 with a remainder of 191.
Put 5 as the next digit of the answer. 
Result so far: 25.0
If we subtract 1960 from 2151, we get 191.
Take the next digit (2) from the dividend and append it to 191, then repeat: 1912 / 392

Advancing to step 5:
1912 divided by 392 is 4 with a remainder of 344.
Put 4 as the next digit of the answer. 
Result so far: 254.0
Subtract 1568 from 1912 to get 344.
Fetch the next digit (4) from the dividend, attach it to 344 and continue: 3444 / 392

Let's proceed to step 6:
When dividing 3444 by 392, we get 8 with a remainder of 308.
The number 8 becomes the next digit in our result. 
Result so far: 2548.0
Subtracting 3136 from 3444 leaves us with 308.
Bring next digit (0) of the dividend behind the 308 and repeat the process: 3080 / 392

Going ahead to step 7:
392 goes into 3080 7 times with a remainder of 336.
Write down 7 as next digit of the result. 
Result so far: 25487.0
If we subtract 2744 from 3080, we get 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

Step 8:
The number 392 fits into 3360 8 times, leaving a remainder of 224.
Put 8 as the next digit of the answer. 
Result so far: 25487.8
Subtracting 3136 from 3360 leaves us with 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

On to step 9:
392 goes into 2240 5 times with a remainder of 280.
The next digit of our result is 5. 
Result so far: 25487.85
Subtract 1960 from 2240 to get 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

On to step 10:
392 can be fit into 2800 7 times, resulting in a remainder of 56.
Use 7 as the next digit of our solution. 
Result so far: 25487.857
Deduct 2744 from 2800 and we're left with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Going ahead to step 11:
The number 392 fits into 560 1 times, leaving a remainder of 168.
The next digit of our result is 1. 
Result so far: 25487.8571
The remainder is 168 after subtracting 392 from 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

Step 12:
When dividing 1680 by 392, we get 4 with a remainder of 112.
Record the quotient 4 as the next digit in the result. 
Result so far: 25487.85714
Subtract 1568 from 1680 to get 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Let's proceed to step 13:
The number 392 fits into 1120 2 times, leaving a remainder of 336.
The number 2 becomes the next digit in our result. 
Result so far: 25487.857142
Subtract 784 from 1120 to get 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

Going ahead to step 14:
When dividing 3360 by 392, we get 8 with a remainder of 224.
The number 8 becomes the next digit in our result. 
Result so far: 25487.8571428
If we subtract 3136 from 3360, we get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Moving on to step 15:
2240 divided by 392 is 5 with a remainder of 280.
The next digit of our result is 5. 
Result so far: 25487.85714285
Subtracting 1960 from 2240 leaves us with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

The final outcome is 25487.85714285, with a leftover of 2.8e-07.