30979221 divided by 831 
We want to figure out the number of times 30979221 can be divided by 831.

Going ahead to step 1:
When dividing 3 by 831, we get 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Fetch the next digit (0) from the dividend, attach it to 3 and continue: 30 / 831

Let's proceed to step 2:
The number 831 fits into 30 0 times, leaving a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 30 after subtracting 0 from 30.
Grab the next digit (9) from the dividend, add it to 30, then carry on: 309 / 831

Going ahead to step 3:
The number 831 fits into 309 0 times, leaving a remainder of 309.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 309 after subtracting 0 from 309.
Bring next digit (7) of the dividend behind the 309 and repeat the process: 3097 / 831

On to step 4:
The number 831 fits into 3097 3 times, leaving a remainder of 604.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Deduct 2493 from 3097 and we're left with 604.
Include the next digit (9) from the dividend after 604, then repeat: 6049 / 831

Going ahead to step 5:
831 goes into 6049 7 times with a remainder of 232.
Use 7 as the next digit of our solution. 
Result so far: 37.0
If we subtract 5817 from 6049, we get 232.
Grab the next digit (2) from the dividend, add it to 232, then carry on: 2322 / 831

On to step 6:
831 goes into 2322 2 times with a remainder of 660.
The number 2 becomes the next digit in our result. 
Result so far: 372.0
The remainder is 660 after subtracting 1662 from 2322.
Append the next digit (2) from the dividend to 660 and continue with: 6602 / 831

On to step 7:
831 goes into 6602 7 times with a remainder of 785.
The number 7 becomes the next digit in our result. 
Result so far: 3727.0
Subtracting 5817 from 6602 leaves us with 785.
Bring next digit (1) of the dividend behind the 785 and repeat the process: 7851 / 831

Going ahead to step 8:
831 goes into 7851 9 times with a remainder of 372.
Put 9 as the next digit of the answer. 
Result so far: 37279.0
The remainder is 372 after subtracting 7479 from 7851.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3720, and continue the process.

Let's proceed to step 9:
3720 divided by 831 is 4 with a remainder of 396.
The number 4 becomes the next digit in our result. 
Result so far: 37279.4
Deduct 3324 from 3720 and we're left with 396.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3960, and continue the process.

Let's proceed to step 10:
3960 divided by 831 is 4 with a remainder of 636.
Write down 4 as next digit of the result. 
Result so far: 37279.44
Subtract 3324 from 3960 to get 636.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6360, and continue the process.

Our division results in 37279.44 with a remaining 0.636.