73978831 ÷ 831 
We're looking to find how many times 831 goes into 73978831.

Let's proceed to step 1:
The number 831 fits into 7 0 times, leaving a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (3) from the dividend and append it to 7, then repeat: 73 / 831

Advancing to step 2:
If we divide 73 by 831, we get 0 and a remainder of 73.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 73, we get 73.
Append the next digit (9) from the dividend to 73 and continue with: 739 / 831

Moving on to step 3:
739 divided by 831 is 0 with a remainder of 739.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 739 and we're left with 739.
Take the next digit (7) from the dividend and append it to 739, then repeat: 7397 / 831

Going ahead to step 4:
The number 831 fits into 7397 8 times, leaving a remainder of 749.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
Subtract 6648 from 7397 to get 749.
Grab the next digit (8) from the dividend, add it to 749, then carry on: 7498 / 831

Going ahead to step 5:
If we divide 7498 by 831, we get 9 and a remainder of 19.
The number 9 becomes the next digit in our result. 
Result so far: 89.0
Subtract 7479 from 7498 to get 19.
Take the next digit (8) from the dividend and append it to 19, then repeat: 198 / 831

Moving on to step 6:
831 can be fit into 198 0 times, resulting in a remainder of 198.
Record the quotient 0 as the next digit in the result. 
Result so far: 890.0
Deduct 0 from 198 and we're left with 198.
Bring next digit (3) of the dividend behind the 198 and repeat the process: 1983 / 831

Going ahead to step 7:
831 can be fit into 1983 2 times, resulting in a remainder of 321.
Write down 2 as next digit of the result. 
Result so far: 8902.0
Subtracting 1662 from 1983 leaves us with 321.
Bring next digit (1) of the dividend behind the 321 and repeat the process: 3211 / 831

On to step 8:
The number 831 fits into 3211 3 times, leaving a remainder of 718.
Record the quotient 3 as the next digit in the result. 
Result so far: 89023.0
The remainder is 718 after subtracting 2493 from 3211.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7180, and continue the process.

Let's proceed to step 9:
831 can be fit into 7180 8 times, resulting in a remainder of 532.
Use 8 as the next digit of our solution. 
Result so far: 89023.8
Deduct 6648 from 7180 and we're left with 532.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5320, and continue the process.

Moving on to step 10:
5320 divided by 831 is 6 with a remainder of 334.
Write down 6 as next digit of the result. 
Result so far: 89023.86
Deduct 4986 from 5320 and we're left with 334.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3340, and continue the process.

Step 11:
3340 divided by 831 is 4 with a remainder of 16.
The next digit of our result is 4. 
Result so far: 89023.864
Subtracting 3324 from 3340 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 12:
If we divide 160 by 831, we get 0 and a remainder of 160.
Put 0 as the next digit of the answer. 
Result so far: 89023.864
The remainder is 160 after subtracting 0 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Let's proceed to step 13:
831 can be fit into 1600 1 times, resulting in a remainder of 769.
Write down 1 as next digit of the result. 
Result so far: 89023.86401
The remainder is 769 after subtracting 831 from 1600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7690, and continue the process.

Let's proceed to step 14:
831 goes into 7690 9 times with a remainder of 211.
Put 9 as the next digit of the answer. 
Result so far: 89023.864019
If we subtract 7479 from 7690, we get 211.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2110, and continue the process.

Let's proceed to step 15:
831 goes into 2110 2 times with a remainder of 448.
Record the quotient 2 as the next digit in the result. 
Result so far: 89023.8640192
Subtracting 1662 from 2110 leaves us with 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Advancing to step 16:
If we divide 4480 by 831, we get 5 and a remainder of 325.
The next digit of our result is 5. 
Result so far: 89023.86401925
Deduct 4155 from 4480 and we're left with 325.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

The quotient of the division is 89023.86401925, and the remainder is 3.25e-07.