66771 divided by 90 
We want to figure out the number of times 66771 can be divided by 90.

Advancing to step 1:
90 can be fit into 6 0 times, resulting in a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Append the next digit (6) from the dividend to 6 and continue with: 66 / 90

Advancing to step 2:
The number 90 fits into 66 0 times, leaving a remainder of 66.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 66 after subtracting 0 from 66.
Include the next digit (7) from the dividend after 66, then repeat: 667 / 90

On to step 3:
667 divided by 90 is 7 with a remainder of 37.
The next digit of our result is 7. 
Result so far: 7.0
Subtract 630 from 667 to get 37.
Grab the next digit (7) from the dividend, add it to 37, then carry on: 377 / 90

Let's proceed to step 4:
If we divide 377 by 90, we get 4 and a remainder of 17.
The number 4 becomes the next digit in our result. 
Result so far: 74.0
If we subtract 360 from 377, we get 17.
Append the next digit (1) from the dividend to 17 and continue with: 171 / 90

Advancing to step 5:
171 divided by 90 is 1 with a remainder of 81.
Put 1 as the next digit of the answer. 
Result so far: 741.0
Subtracting 90 from 171 leaves us with 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Moving on to step 6:
If we divide 810 by 90, we get 9 and a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 741.9
The remainder is 0 after subtracting 810 from 810.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 7:
90 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 741.9
If we subtract 0 from 0, we 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.

On to step 8:
If we divide 0 by 90, we get 0 and a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 741.9
If we subtract 0 from 0, we 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 741.9 with a remainder of 0.0.