729099 ÷ 84 
We want to figure out the number of times 729099 can be divided by 84.

On to step 1:
7 divided by 84 is 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 84

Going ahead to step 2:
When dividing 72 by 84, we get 0 with a remainder of 72.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 72 to get 72.
Append the next digit (9) from the dividend to 72 and continue with: 729 / 84

Advancing to step 3:
The number 84 fits into 729 8 times, leaving a remainder of 57.
Put 8 as the next digit of the answer. 
Result so far: 8.0
The remainder is 57 after subtracting 672 from 729.
Bring next digit (0) of the dividend behind the 57 and repeat the process: 570 / 84

Going ahead to step 4:
If we divide 570 by 84, we get 6 and a remainder of 66.
Write down 6 as next digit of the result. 
Result so far: 86.0
If we subtract 504 from 570, we get 66.
Fetch the next digit (9) from the dividend, attach it to 66 and continue: 669 / 84

Going ahead to step 5:
When dividing 669 by 84, we get 7 with a remainder of 81.
Record the quotient 7 as the next digit in the result. 
Result so far: 867.0
Subtracting 588 from 669 leaves us with 81.
Grab the next digit (9) from the dividend, add it to 81, then carry on: 819 / 84

Step 6:
The number 84 fits into 819 9 times, leaving a remainder of 63.
Put 9 as the next digit of the answer. 
Result so far: 8679.0
If we take 756 away from 819, we end up with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Advancing to step 7:
84 goes into 630 7 times with a remainder of 42.
The number 7 becomes the next digit in our result. 
Result so far: 8679.7
The remainder is 42 after subtracting 588 from 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 8:
When dividing 420 by 84, we get 5 with a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 8679.75
Subtract 420 from 420 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.

Let's proceed to step 9:
If we divide 0 by 84, we get 0 and a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 8679.75
Subtracting 0 from 0 leaves us 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.

On to step 10:
84 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 8679.75
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.

After the division, we end up with 8679.75 and a remainder of 0.0.