We look at the division of 81315524 by 287 
Our goal is to divide 81315524 by 287.

Let's proceed to step 1:
The number 287 fits into 8 0 times, leaving a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 287

Moving on to step 2:
If we divide 81 by 287, we get 0 and a remainder of 81.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Fetch the next digit (3) from the dividend, attach it to 81 and continue: 813 / 287

On to step 3:
The number 287 fits into 813 2 times, leaving a remainder of 239.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we subtract 574 from 813, we get 239.
Include the next digit (1) from the dividend after 239, then repeat: 2391 / 287

Advancing to step 4:
287 can be fit into 2391 8 times, resulting in a remainder of 95.
The next digit of our result is 8. 
Result so far: 28.0
Subtracting 2296 from 2391 leaves us with 95.
Append the next digit (5) from the dividend to 95 and continue with: 955 / 287

Let's proceed to step 5:
When dividing 955 by 287, we get 3 with a remainder of 94.
The next digit of our result is 3. 
Result so far: 283.0
Deduct 861 from 955 and we're left with 94.
Bring next digit (5) of the dividend behind the 94 and repeat the process: 945 / 287

On to step 6:
When dividing 945 by 287, we get 3 with a remainder of 84.
Write down 3 as next digit of the result. 
Result so far: 2833.0
If we subtract 861 from 945, we get 84.
Append the next digit (2) from the dividend to 84 and continue with: 842 / 287

On to step 7:
842 divided by 287 is 2 with a remainder of 268.
Write down 2 as next digit of the result. 
Result so far: 28332.0
If we take 574 away from 842, we end up with 268.
Include the next digit (4) from the dividend after 268, then repeat: 2684 / 287

Going ahead to step 8:
287 can be fit into 2684 9 times, resulting in a remainder of 101.
Write down 9 as next digit of the result. 
Result so far: 283329.0
The remainder is 101 after subtracting 2583 from 2684.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1010, and continue the process.

Moving on to step 9:
1010 divided by 287 is 3 with a remainder of 149.
Write down 3 as next digit of the result. 
Result so far: 283329.3
Deduct 861 from 1010 and we're left with 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1490, and continue the process.

Let's proceed to step 10:
When dividing 1490 by 287, we get 5 with a remainder of 55.
Record the quotient 5 as the next digit in the result. 
Result so far: 283329.35
Subtract 1435 from 1490 to get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Step 11:
287 can be fit into 550 1 times, resulting in a remainder of 263.
Use 1 as the next digit of our solution. 
Result so far: 283329.351
The remainder is 263 after subtracting 287 from 550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

Going ahead to step 12:
2630 divided by 287 is 9 with a remainder of 47.
Write down 9 as next digit of the result. 
Result so far: 283329.3519
If we take 2583 away from 2630, we end up with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Moving on to step 13:
287 goes into 470 1 times with a remainder of 183.
Write down 1 as next digit of the result. 
Result so far: 283329.35191
Subtract 287 from 470 to get 183.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1830, and continue the process.

Step 14:
287 can be fit into 1830 6 times, resulting in a remainder of 108.
Write down 6 as next digit of the result. 
Result so far: 283329.351916
If we subtract 1722 from 1830, we get 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Step 15:
If we divide 1080 by 287, we get 3 and a remainder of 219.
Put 3 as the next digit of the answer. 
Result so far: 283329.3519163
The remainder is 219 after subtracting 861 from 1080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Advancing to step 16:
287 goes into 2190 7 times with a remainder of 181.
Use 7 as the next digit of our solution. 
Result so far: 283329.35191637
If we subtract 2009 from 2190, we get 181.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

In conclusion, the division gives 283329.35191637 with a balance of 1.81e-07.