725172 ÷ 18 
Let's see how many times 18 fits into 725172.

Moving on to step 1:
18 goes into 7 0 times with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 18

Step 2:
The number 18 fits into 72 4 times, leaving a remainder of 0.
The next digit of our result is 4. 
Result so far: 4.0
If we take 72 away from 72, we end up with 0.
Take the next digit (5) from the dividend and append it to 0, then repeat: 5 / 18

On to step 3:
5 divided by 18 is 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 40.0
If we subtract 0 from 5, we get 5.
Fetch the next digit (1) from the dividend, attach it to 5 and continue: 51 / 18

Let's proceed to step 4:
51 divided by 18 is 2 with a remainder of 15.
Put 2 as the next digit of the answer. 
Result so far: 402.0
If we take 36 away from 51, we end up with 15.
Bring next digit (7) of the dividend behind the 15 and repeat the process: 157 / 18

Let's proceed to step 5:
If we divide 157 by 18, we get 8 and a remainder of 13.
The number 8 becomes the next digit in our result. 
Result so far: 4028.0
Subtracting 144 from 157 leaves us with 13.
Grab the next digit (2) from the dividend, add it to 13, then carry on: 132 / 18

On to step 6:
The number 18 fits into 132 7 times, leaving a remainder of 6.
Record the quotient 7 as the next digit in the result. 
Result so far: 40287.0
If we take 126 away from 132, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 7:
60 divided by 18 is 3 with a remainder of 6.
Put 3 as the next digit of the answer. 
Result so far: 40287.3
If we take 54 away from 60, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 8:
The number 18 fits into 60 3 times, leaving a remainder of 6.
Put 3 as the next digit of the answer. 
Result so far: 40287.33
If we take 54 away from 60, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Our division results in 40287.33 with a remaining 0.006.