We look at the division of 866111 by 12 
Our goal is to divide 866111 by 12.

On to step 1:
8 divided by 12 is 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Include the next digit (6) from the dividend after 8, then repeat: 86 / 12

On to step 2:
If we divide 86 by 12, we get 7 and a remainder of 2.
Use 7 as the next digit of our solution. 
Result so far: 7.0
The remainder is 2 after subtracting 84 from 86.
Take the next digit (6) from the dividend and append it to 2, then repeat: 26 / 12

Let's proceed to step 3:
The number 12 fits into 26 2 times, leaving a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 72.0
Subtract 24 from 26 to get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 12

Going ahead to step 4:
21 divided by 12 is 1 with a remainder of 9.
Put 1 as the next digit of the answer. 
Result so far: 721.0
The remainder is 9 after subtracting 12 from 21.
Bring next digit (1) of the dividend behind the 9 and repeat the process: 91 / 12

Let's proceed to step 5:
If we divide 91 by 12, we get 7 and a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 7217.0
If we subtract 84 from 91, we get 7.
Fetch the next digit (1) from the dividend, attach it to 7 and continue: 71 / 12

On to step 6:
When dividing 71 by 12, we get 5 with a remainder of 11.
Use 5 as the next digit of our solution. 
Result so far: 72175.0
If we subtract 60 from 71, we get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Advancing to step 7:
The number 12 fits into 110 9 times, leaving a remainder of 2.
The next digit of our result is 9. 
Result so far: 72175.9
If we subtract 108 from 110, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 8:
20 divided by 12 is 1 with a remainder of 8.
Record the quotient 1 as the next digit in the result. 
Result so far: 72175.91
Subtracting 12 from 20 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 9:
80 divided by 12 is 6 with a remainder of 8.
Put 6 as the next digit of the answer. 
Result so far: 72175.916
The remainder is 8 after subtracting 72 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 10:
80 divided by 12 is 6 with a remainder of 8.
Use 6 as the next digit of our solution. 
Result so far: 72175.9166
If we take 72 away from 80, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

The quotient of the division is 72175.9166, and the remainder is 8e-05.