We look at the division of 72165 by 4 
We want to figure out the number of times 72165 can be divided by 4.

Moving on to step 1:
7 divided by 4 is 1 with a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 4 from 7, we get 3.
Grab the next digit (2) from the dividend, add it to 3, then carry on: 32 / 4

Moving on to step 2:
4 goes into 32 8 times with a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 18.0
The remainder is 0 after subtracting 32 from 32.
Take the next digit (1) from the dividend and append it to 0, then repeat: 1 / 4

Advancing to step 3:
If we divide 1 by 4, we get 0 and a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 180.0
Deduct 0 from 1 and we're left with 1.
Grab the next digit (6) from the dividend, add it to 1, then carry on: 16 / 4

On to step 4:
4 goes into 16 4 times with a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 1804.0
If we take 16 away from 16, we end up with 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 4

Advancing to step 5:
When dividing 5 by 4, we get 1 with a remainder of 1.
Put 1 as the next digit of the answer. 
Result so far: 18041.0
Subtracting 4 from 5 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 6:
If we divide 10 by 4, we get 2 and a remainder of 2.
Use 2 as the next digit of our solution. 
Result so far: 18041.2
Subtracting 8 from 10 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 7:
When dividing 20 by 4, we get 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 18041.25
The remainder is 0 after subtracting 20 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 8:
0 divided by 4 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 18041.25
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.

Going ahead to step 9:
4 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 18041.25
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.

After the division, we end up with 18041.25 and a remainder of 0.0.