We look at the division of 85212815 by 23 
We want to figure out the number of times 85212815 can be divided by 23.

On to step 1:
The number 23 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 23

Step 2:
If we divide 85 by 23, we get 3 and a remainder of 16.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtracting 69 from 85 leaves us with 16.
Fetch the next digit (2) from the dividend, attach it to 16 and continue: 162 / 23

Step 3:
If we divide 162 by 23, we get 7 and a remainder of 1.
The next digit of our result is 7. 
Result so far: 37.0
The remainder is 1 after subtracting 161 from 162.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 23

Advancing to step 4:
11 divided by 23 is 0 with a remainder of 11.
The next digit of our result is 0. 
Result so far: 370.0
If we subtract 0 from 11, we get 11.
Take the next digit (2) from the dividend and append it to 11, then repeat: 112 / 23

On to step 5:
If we divide 112 by 23, we get 4 and a remainder of 20.
Put 4 as the next digit of the answer. 
Result so far: 3704.0
The remainder is 20 after subtracting 92 from 112.
Include the next digit (8) from the dividend after 20, then repeat: 208 / 23

Let's proceed to step 6:
When dividing 208 by 23, we get 9 with a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 37049.0
If we take 207 away from 208, we end up with 1.
Include the next digit (1) from the dividend after 1, then repeat: 11 / 23

Moving on to step 7:
23 can be fit into 11 0 times, resulting in a remainder of 11.
Use 0 as the next digit of our solution. 
Result so far: 370490.0
Deduct 0 from 11 and we're left with 11.
Append the next digit (5) from the dividend to 11 and continue with: 115 / 23

Advancing to step 8:
115 divided by 23 is 5 with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 3704905.0
The remainder is 0 after subtracting 115 from 115.
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 9:
23 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 3704905.0
If we take 0 away from 0, 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.

Advancing to step 10:
If we divide 0 by 23, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 3704905.0
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.

After the division, we end up with 3704905.0 and a remainder of 0.0.