We divide 811585 by 8
We want to figure out the number of times 811585 can be divided by 8.

Step 1:
8 can be fit into 8 1 times, resulting in a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we take 8 away from 8, we end up with 0.
Grab the next digit (1) from the dividend, add it to 0, then carry on: 1 / 8

Going ahead to step 2:
When dividing 1 by 8, we get 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 10.0
Subtracting 0 from 1 leaves us with 1.
Append the next digit (1) from the dividend to 1 and continue with: 11 / 8

Step 3:
If we divide 11 by 8, we get 1 and a remainder of 3.
The number 1 becomes the next digit in our result. 
Result so far: 101.0
Subtracting 8 from 11 leaves us with 3.
Include the next digit (5) from the dividend after 3, then repeat: 35 / 8

Let's proceed to step 4:
The number 8 fits into 35 4 times, leaving a remainder of 3.
The next digit of our result is 4. 
Result so far: 1014.0
Subtract 32 from 35 to get 3.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 8

Let's proceed to step 5:
The number 8 fits into 38 4 times, leaving a remainder of 6.
The number 4 becomes the next digit in our result. 
Result so far: 10144.0
The remainder is 6 after subtracting 32 from 38.
Append the next digit (5) from the dividend to 6 and continue with: 65 / 8

Advancing to step 6:
When dividing 65 by 8, we get 8 with a remainder of 1.
The number 8 becomes the next digit in our result. 
Result so far: 101448.0
Subtract 64 from 65 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 7:
10 divided by 8 is 1 with a remainder of 2.
Record the quotient 1 as the next digit in the result. 
Result so far: 101448.1
Subtract 8 from 10 to 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.

Advancing to step 8:
8 can be fit into 20 2 times, resulting in a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 101448.12
Subtract 16 from 20 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 9:
If we divide 40 by 8, we get 5 and a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 101448.125
Subtracting 40 from 40 leaves us 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 10:
When dividing 0 by 8, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 101448.125
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.

Advancing to step 11:
The number 8 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 101448.125
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 101448.125 with a remaining 0.0.