We look at the division of 865437 by 66 
We want to divide 865437 by 66.

Step 1:
When dividing 8 by 66, we get 0 with 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 (6) from the dividend, add it to 8, then carry on: 86 / 66

Let's proceed to step 2:
86 divided by 66 is 1 with a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 66 away from 86, we end up with 20.
Grab the next digit (5) from the dividend, add it to 20, then carry on: 205 / 66

Advancing to step 3:
If we divide 205 by 66, we get 3 and a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 13.0
Deduct 198 from 205 and we're left with 7.
Append the next digit (4) from the dividend to 7 and continue with: 74 / 66

Step 4:
74 divided by 66 is 1 with a remainder of 8.
Record the quotient 1 as the next digit in the result. 
Result so far: 131.0
The remainder is 8 after subtracting 66 from 74.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 66

Advancing to step 5:
The number 66 fits into 83 1 times, leaving a remainder of 17.
Record the quotient 1 as the next digit in the result. 
Result so far: 1311.0
Subtract 66 from 83 to get 17.
Fetch the next digit (7) from the dividend, attach it to 17 and continue: 177 / 66

Going ahead to step 6:
66 goes into 177 2 times with a remainder of 45.
Write down 2 as next digit of the result. 
Result so far: 13112.0
Deduct 132 from 177 and we're left with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Let's proceed to step 7:
66 can be fit into 450 6 times, resulting in a remainder of 54.
The number 6 becomes the next digit in our result. 
Result so far: 13112.6
Deduct 396 from 450 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Moving on to step 8:
540 divided by 66 is 8 with a remainder of 12.
The next digit of our result is 8. 
Result so far: 13112.68
Subtracting 528 from 540 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 9:
66 goes into 120 1 times with a remainder of 54.
Write down 1 as next digit of the result. 
Result so far: 13112.681
If we take 66 away from 120, we end up with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 10:
If we divide 540 by 66, we get 8 and a remainder of 12.
Record the quotient 8 as the next digit in the result. 
Result so far: 13112.6818
Subtracting 528 from 540 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 11:
66 can be fit into 120 1 times, resulting in a remainder of 54.
Put 1 as the next digit of the answer. 
Result so far: 13112.68181
Subtracting 66 from 120 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Let's proceed to step 12:
66 can be fit into 540 8 times, resulting in a remainder of 12.
Use 8 as the next digit of our solution. 
Result so far: 13112.681818
Subtract 528 from 540 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 13:
66 goes into 120 1 times with a remainder of 54.
Use 1 as the next digit of our solution. 
Result so far: 13112.6818181
If we subtract 66 from 120, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Let's proceed to step 14:
540 divided by 66 is 8 with a remainder of 12.
The number 8 becomes the next digit in our result. 
Result so far: 13112.68181818
If we take 528 away from 540, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final outcome is 13112.68181818, with a leftover of 1.2e-08.