We divide 831210 by 80
We want to figure out the number of times 831210 can be divided by 80.

Advancing to step 1:
If we divide 8 by 80, we get 0 and a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 80

Let's proceed to step 2:
When dividing 83 by 80, we get 1 with a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 80 from 83, we get 3.
Append the next digit (1) from the dividend to 3 and continue with: 31 / 80

Step 3:
80 can be fit into 31 0 times, resulting in a remainder of 31.
The next digit of our result is 0. 
Result so far: 10.0
If we subtract 0 from 31, we get 31.
Take the next digit (2) from the dividend and append it to 31, then repeat: 312 / 80

Step 4:
If we divide 312 by 80, we get 3 and a remainder of 72.
Record the quotient 3 as the next digit in the result. 
Result so far: 103.0
The remainder is 72 after subtracting 240 from 312.
Grab the next digit (1) from the dividend, add it to 72, then carry on: 721 / 80

Step 5:
721 divided by 80 is 9 with a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 1039.0
Subtracting 720 from 721 leaves us with 1.
Include the next digit (0) from the dividend after 1, then repeat: 10 / 80

Going ahead to step 6:
If we divide 10 by 80, we get 0 and a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 10390.0
If we take 0 away from 10, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 7:
If we divide 100 by 80, we get 1 and a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 10390.1
Subtract 80 from 100 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 8:
80 goes into 200 2 times with a remainder of 40.
The number 2 becomes the next digit in our result. 
Result so far: 10390.12
Subtracting 160 from 200 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 9:
80 goes into 400 5 times with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 10390.125
Deduct 400 from 400 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 10:
80 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 10390.125
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 11:
0 divided by 80 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 10390.125
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 10390.125 with a balance of 0.0.