81845987 ÷ 912 
Let's see how many times 912 fits into 81845987.

Step 1:
912 can be fit into 8 0 times, resulting in a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 912

Advancing to step 2:
912 goes into 81 0 times with a remainder of 81.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Include the next digit (8) from the dividend after 81, then repeat: 818 / 912

Step 3:
If we divide 818 by 912, we get 0 and a remainder of 818.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 818 to get 818.
Grab the next digit (4) from the dividend, add it to 818, then carry on: 8184 / 912

Moving on to step 4:
912 goes into 8184 8 times with a remainder of 888.
Write down 8 as next digit of the result. 
Result so far: 8.0
The remainder is 888 after subtracting 7296 from 8184.
Grab the next digit (5) from the dividend, add it to 888, then carry on: 8885 / 912

Step 5:
The number 912 fits into 8885 9 times, leaving a remainder of 677.
The next digit of our result is 9. 
Result so far: 89.0
Subtracting 8208 from 8885 leaves us with 677.
Append the next digit (9) from the dividend to 677 and continue with: 6779 / 912

Moving on to step 6:
The number 912 fits into 6779 7 times, leaving a remainder of 395.
Record the quotient 7 as the next digit in the result. 
Result so far: 897.0
Subtracting 6384 from 6779 leaves us with 395.
Grab the next digit (8) from the dividend, add it to 395, then carry on: 3958 / 912

Advancing to step 7:
912 can be fit into 3958 4 times, resulting in a remainder of 310.
Put 4 as the next digit of the answer. 
Result so far: 8974.0
If we subtract 3648 from 3958, we get 310.
Include the next digit (7) from the dividend after 310, then repeat: 3107 / 912

Going ahead to step 8:
3107 divided by 912 is 3 with a remainder of 371.
Put 3 as the next digit of the answer. 
Result so far: 89743.0
Deduct 2736 from 3107 and we're left with 371.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3710, and continue the process.

Advancing to step 9:
When dividing 3710 by 912, we get 4 with a remainder of 62.
The number 4 becomes the next digit in our result. 
Result so far: 89743.4
Deduct 3648 from 3710 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Going ahead to step 10:
912 goes into 620 0 times with a remainder of 620.
Write down 0 as next digit of the result. 
Result so far: 89743.4
Deduct 0 from 620 and we're left with 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6200, and continue the process.

Let's proceed to step 11:
The number 912 fits into 6200 6 times, leaving a remainder of 728.
Put 6 as the next digit of the answer. 
Result so far: 89743.406
The remainder is 728 after subtracting 5472 from 6200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7280, and continue the process.

Step 12:
When dividing 7280 by 912, we get 7 with a remainder of 896.
Use 7 as the next digit of our solution. 
Result so far: 89743.4067
If we take 6384 away from 7280, we end up with 896.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8960, and continue the process.

Let's proceed to step 13:
When dividing 8960 by 912, we get 9 with a remainder of 752.
The number 9 becomes the next digit in our result. 
Result so far: 89743.40679
If we take 8208 away from 8960, we end up with 752.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7520, and continue the process.

On to step 14:
7520 divided by 912 is 8 with a remainder of 224.
The next digit of our result is 8. 
Result so far: 89743.406798
Deduct 7296 from 7520 and we're left with 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Going ahead to step 15:
912 goes into 2240 2 times with a remainder of 416.
Put 2 as the next digit of the answer. 
Result so far: 89743.4067982
Subtract 1824 from 2240 to get 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Let's proceed to step 16:
912 can be fit into 4160 4 times, resulting in a remainder of 512.
The next digit of our result is 4. 
Result so far: 89743.40679824
If we take 3648 away from 4160, we end up with 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

The final outcome is 89743.40679824, with a leftover of 5.12e-07.