86143566 ÷ 894 
We want to divide 86143566 by 894.

Step 1:
8 divided by 894 is 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Fetch the next digit (6) from the dividend, attach it to 8 and continue: 86 / 894

Let's proceed to step 2:
When dividing 86 by 894, we get 0 with a remainder of 86.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 86 after subtracting 0 from 86.
Include the next digit (1) from the dividend after 86, then repeat: 861 / 894

Advancing to step 3:
894 goes into 861 0 times with a remainder of 861.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 861 after subtracting 0 from 861.
Append the next digit (4) from the dividend to 861 and continue with: 8614 / 894

Step 4:
8614 divided by 894 is 9 with a remainder of 568.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 8046 from 8614 leaves us with 568.
Bring next digit (3) of the dividend behind the 568 and repeat the process: 5683 / 894

On to step 5:
If we divide 5683 by 894, we get 6 and a remainder of 319.
Use 6 as the next digit of our solution. 
Result so far: 96.0
The remainder is 319 after subtracting 5364 from 5683.
Append the next digit (5) from the dividend to 319 and continue with: 3195 / 894

On to step 6:
If we divide 3195 by 894, we get 3 and a remainder of 513.
Put 3 as the next digit of the answer. 
Result so far: 963.0
If we take 2682 away from 3195, we end up with 513.
Include the next digit (6) from the dividend after 513, then repeat: 5136 / 894

Moving on to step 7:
894 can be fit into 5136 5 times, resulting in a remainder of 666.
Put 5 as the next digit of the answer. 
Result so far: 9635.0
If we subtract 4470 from 5136, we get 666.
Grab the next digit (6) from the dividend, add it to 666, then carry on: 6666 / 894

On to step 8:
When dividing 6666 by 894, we get 7 with a remainder of 408.
Write down 7 as next digit of the result. 
Result so far: 96357.0
Subtract 6258 from 6666 to get 408.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4080, and continue the process.

Going ahead to step 9:
4080 divided by 894 is 4 with a remainder of 504.
Write down 4 as next digit of the result. 
Result so far: 96357.4
The remainder is 504 after subtracting 3576 from 4080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

Going ahead to step 10:
When dividing 5040 by 894, we get 5 with a remainder of 570.
Use 5 as the next digit of our solution. 
Result so far: 96357.45
If we subtract 4470 from 5040, we get 570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5700, and continue the process.

Advancing to step 11:
If we divide 5700 by 894, we get 6 and a remainder of 336.
Record the quotient 6 as the next digit in the result. 
Result so far: 96357.456
Deduct 5364 from 5700 and we're left with 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

On to step 12:
894 goes into 3360 3 times with a remainder of 678.
Write down 3 as next digit of the result. 
Result so far: 96357.4563
If we take 2682 away from 3360, we end up with 678.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6780, and continue the process.

On to step 13:
The number 894 fits into 6780 7 times, leaving a remainder of 522.
Use 7 as the next digit of our solution. 
Result so far: 96357.45637
Deduct 6258 from 6780 and we're left with 522.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5220, and continue the process.

Step 14:
The number 894 fits into 5220 5 times, leaving a remainder of 750.
Use 5 as the next digit of our solution. 
Result so far: 96357.456375
Subtract 4470 from 5220 to get 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7500, and continue the process.

Let's proceed to step 15:
894 can be fit into 7500 8 times, resulting in a remainder of 348.
The next digit of our result is 8. 
Result so far: 96357.4563758
The remainder is 348 after subtracting 7152 from 7500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3480, and continue the process.

Step 16:
894 can be fit into 3480 3 times, resulting in a remainder of 798.
The number 3 becomes the next digit in our result. 
Result so far: 96357.45637583
Subtract 2682 from 3480 to get 798.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7980, and continue the process.

The final outcome is 96357.45637583, with a leftover of 7.98e-07.