728515 divided by 80 
Our goal is to divide 728515 by 80.

Moving on to step 1:
The number 80 fits into 7 0 times, leaving a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Append the next digit (2) from the dividend to 7 and continue with: 72 / 80

Let's proceed to step 2:
The number 80 fits into 72 0 times, leaving a remainder of 72.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 72 to get 72.
Grab the next digit (8) from the dividend, add it to 72, then carry on: 728 / 80

Going ahead to step 3:
80 can be fit into 728 9 times, resulting in a remainder of 8.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtract 720 from 728 to get 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 80

Advancing to step 4:
If we divide 85 by 80, we get 1 and a remainder of 5.
Write down 1 as next digit of the result. 
Result so far: 91.0
If we take 80 away from 85, we end up with 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 80

On to step 5:
80 can be fit into 51 0 times, resulting in a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 910.0
Subtracting 0 from 51 leaves us with 51.
Take the next digit (5) from the dividend and append it to 51, then repeat: 515 / 80

Going ahead to step 6:
The number 80 fits into 515 6 times, leaving a remainder of 35.
Write down 6 as next digit of the result. 
Result so far: 9106.0
The remainder is 35 after subtracting 480 from 515.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 7:
When dividing 350 by 80, we get 4 with a remainder of 30.
The next digit of our result is 4. 
Result so far: 9106.4
If we take 320 away from 350, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 8:
300 divided by 80 is 3 with a remainder of 60.
Write down 3 as next digit of the result. 
Result so far: 9106.43
If we take 240 away from 300, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Going ahead to step 9:
When dividing 600 by 80, we get 7 with a remainder of 40.
The next digit of our result is 7. 
Result so far: 9106.437
The remainder is 40 after subtracting 560 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 10:
When dividing 400 by 80, we get 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 9106.4375
Subtract 400 from 400 to 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.

Step 11:
If we divide 0 by 80, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 9106.4375
Subtract 0 from 0 to 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.

On to step 12:
The number 80 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 9106.4375
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.

After the division, we end up with 9106.4375 and a remainder of 0.0.