72645223 ÷ 8 
We want to divide 72645223 by 8.

Moving on to step 1:
8 can be fit into 7 0 times, resulting in 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.
Grab the next digit (2) from the dividend, add it to 7, then carry on: 72 / 8

Advancing to step 2:
8 can be fit into 72 9 times, resulting in a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtracting 72 from 72 leaves us with 0.
Append the next digit (6) from the dividend to 0 and continue with: 6 / 8

Moving on to step 3:
When dividing 6 by 8, we get 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 90.0
If we take 0 away from 6, we end up with 6.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 8

Advancing to step 4:
64 divided by 8 is 8 with a remainder of 0.
Write down 8 as next digit of the result. 
Result so far: 908.0
Subtracting 64 from 64 leaves us with 0.
Include the next digit (5) from the dividend after 0, then repeat: 5 / 8

On to step 5:
5 divided by 8 is 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 9080.0
Deduct 0 from 5 and we're left with 5.
Include the next digit (2) from the dividend after 5, then repeat: 52 / 8

Advancing to step 6:
8 goes into 52 6 times with a remainder of 4.
The number 6 becomes the next digit in our result. 
Result so far: 90806.0
The remainder is 4 after subtracting 48 from 52.
Include the next digit (2) from the dividend after 4, then repeat: 42 / 8

On to step 7:
8 can be fit into 42 5 times, resulting in a remainder of 2.
The number 5 becomes the next digit in our result. 
Result so far: 908065.0
If we take 40 away from 42, we end up with 2.
Bring next digit (3) of the dividend behind the 2 and repeat the process: 23 / 8

Advancing to step 8:
The number 8 fits into 23 2 times, leaving a remainder of 7.
Put 2 as the next digit of the answer. 
Result so far: 9080652.0
Deduct 16 from 23 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 9:
The number 8 fits into 70 8 times, leaving a remainder of 6.
Put 8 as the next digit of the answer. 
Result so far: 9080652.8
If we subtract 64 from 70, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Step 10:
When dividing 60 by 8, we get 7 with a remainder of 4.
Write down 7 as next digit of the result. 
Result so far: 9080652.87
The remainder is 4 after subtracting 56 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 11:
8 can be fit into 40 5 times, resulting in a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 9080652.875
The remainder is 0 after subtracting 40 from 40.
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:
When dividing 0 by 8, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 9080652.875
Deduct 0 from 0 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.

Advancing to step 13:
When dividing 0 by 8, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 9080652.875
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 9080652.875 and a remainder of 0.0.