We're dividing 901512 by 72 
We want to divide 901512 by 72.

Advancing to step 1:
9 divided by 72 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Take the next digit (0) from the dividend and append it to 9, then repeat: 90 / 72

Going ahead to step 2:
If we divide 90 by 72, we get 1 and a remainder of 18.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtract 72 from 90 to get 18.
Fetch the next digit (1) from the dividend, attach it to 18 and continue: 181 / 72

Going ahead to step 3:
72 goes into 181 2 times with a remainder of 37.
Use 2 as the next digit of our solution. 
Result so far: 12.0
Subtracting 144 from 181 leaves us with 37.
Fetch the next digit (5) from the dividend, attach it to 37 and continue: 375 / 72

Step 4:
If we divide 375 by 72, we get 5 and a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 125.0
If we take 360 away from 375, we end up with 15.
Take the next digit (1) from the dividend and append it to 15, then repeat: 151 / 72

Advancing to step 5:
When dividing 151 by 72, we get 2 with a remainder of 7.
Write down 2 as next digit of the result. 
Result so far: 1252.0
Subtract 144 from 151 to get 7.
Append the next digit (2) from the dividend to 7 and continue with: 72 / 72

Going ahead to step 6:
72 divided by 72 is 1 with a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 12521.0
Subtract 72 from 72 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 7:
When dividing 0 by 72, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 12521.0
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.

Step 8:
0 divided by 72 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 12521.0
If we subtract 0 from 0, we 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.

The final outcome is 12521.0, with a leftover of 0.0.