81539002 divided by 912 
Our goal is to divide 81539002 by 912.

Let's proceed to step 1:
912 can be fit into 8 0 times, resulting in a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 912

Step 2:
912 goes into 81 0 times with a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 81, we get 81.
Grab the next digit (5) from the dividend, add it to 81, then carry on: 815 / 912

Advancing to step 3:
If we divide 815 by 912, we get 0 and a remainder of 815.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 815 to get 815.
Append the next digit (3) from the dividend to 815 and continue with: 8153 / 912

Advancing to step 4:
912 goes into 8153 8 times with a remainder of 857.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
Subtracting 7296 from 8153 leaves us with 857.
Fetch the next digit (9) from the dividend, attach it to 857 and continue: 8579 / 912

Let's proceed to step 5:
If we divide 8579 by 912, we get 9 and a remainder of 371.
Put 9 as the next digit of the answer. 
Result so far: 89.0
Subtract 8208 from 8579 to get 371.
Include the next digit (0) from the dividend after 371, then repeat: 3710 / 912

On to step 6:
When dividing 3710 by 912, we get 4 with a remainder of 62.
Record the quotient 4 as the next digit in the result. 
Result so far: 894.0
Subtracting 3648 from 3710 leaves us with 62.
Fetch the next digit (0) from the dividend, attach it to 62 and continue: 620 / 912

Step 7:
When dividing 620 by 912, we get 0 with a remainder of 620.
Put 0 as the next digit of the answer. 
Result so far: 8940.0
Subtracting 0 from 620 leaves us with 620.
Include the next digit (2) from the dividend after 620, then repeat: 6202 / 912

Let's proceed to step 8:
When dividing 6202 by 912, we get 6 with a remainder of 730.
Write down 6 as next digit of the result. 
Result so far: 89406.0
Deduct 5472 from 6202 and we're left with 730.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7300, and continue the process.

On to step 9:
7300 divided by 912 is 8 with a remainder of 4.
Use 8 as the next digit of our solution. 
Result so far: 89406.8
If we subtract 7296 from 7300, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 10:
40 divided by 912 is 0 with a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 89406.8
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 11:
When dividing 400 by 912, we get 0 with a remainder of 400.
Record the quotient 0 as the next digit in the result. 
Result so far: 89406.8
If we take 0 away from 400, we end up with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

After the division, we end up with 89406.8 and a remainder of 0.04.