858726 divided by 66 
Let's see how many times 66 fits into 858726.

Advancing to step 1:
The number 66 fits into 8 0 times, leaving a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 66

On to step 2:
66 can be fit into 85 1 times, resulting in a remainder of 19.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 66 from 85 and we're left with 19.
Bring next digit (8) of the dividend behind the 19 and repeat the process: 198 / 66

Going ahead to step 3:
66 can be fit into 198 3 times, resulting in a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 13.0
Deduct 198 from 198 and we're left with 0.
Append the next digit (7) from the dividend to 0 and continue with: 7 / 66

Advancing to step 4:
If we divide 7 by 66, we get 0 and a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 130.0
The remainder is 7 after subtracting 0 from 7.
Grab the next digit (2) from the dividend, add it to 7, then carry on: 72 / 66

Going ahead to step 5:
66 can be fit into 72 1 times, resulting in a remainder of 6.
Write down 1 as next digit of the result. 
Result so far: 1301.0
Subtract 66 from 72 to get 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 66

Step 6:
66 can be fit into 66 1 times, resulting in a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 13011.0
If we take 66 away from 66, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 7:
The number 66 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 13011.0
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 8:
When dividing 0 by 66, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 13011.0
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 13011.0 with a remainder of 0.0.