We look at the division of 85125128 by 15 
We're looking to find how many times 15 goes into 85125128.

Going ahead to step 1:
If we divide 8 by 15, we get 0 and a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 15

Let's proceed to step 2:
The number 15 fits into 85 5 times, leaving a remainder of 10.
The next digit of our result is 5. 
Result so far: 5.0
Subtract 75 from 85 to get 10.
Take the next digit (1) from the dividend and append it to 10, then repeat: 101 / 15

On to step 3:
15 can be fit into 101 6 times, resulting in a remainder of 11.
Use 6 as the next digit of our solution. 
Result so far: 56.0
If we subtract 90 from 101, we get 11.
Grab the next digit (2) from the dividend, add it to 11, then carry on: 112 / 15

Going ahead to step 4:
If we divide 112 by 15, we get 7 and a remainder of 7.
Use 7 as the next digit of our solution. 
Result so far: 567.0
Subtract 105 from 112 to get 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 15

Moving on to step 5:
15 can be fit into 75 5 times, resulting in a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 5675.0
Deduct 75 from 75 and we're left with 0.
Grab the next digit (1) from the dividend, add it to 0, then carry on: 1 / 15

Advancing to step 6:
The number 15 fits into 1 0 times, leaving a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 56750.0
If we subtract 0 from 1, we get 1.
Append the next digit (2) from the dividend to 1 and continue with: 12 / 15

On to step 7:
12 divided by 15 is 0 with a remainder of 12.
Put 0 as the next digit of the answer. 
Result so far: 567500.0
Subtract 0 from 12 to get 12.
Grab the next digit (8) from the dividend, add it to 12, then carry on: 128 / 15

Moving on to step 8:
128 divided by 15 is 8 with a remainder of 8.
Record the quotient 8 as the next digit in the result. 
Result so far: 5675008.0
If we take 120 away from 128, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 9:
The number 15 fits into 80 5 times, leaving a remainder of 5.
The next digit of our result is 5. 
Result so far: 5675008.5
If we take 75 away from 80, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 10:
When dividing 50 by 15, we get 3 with a remainder of 5.
Record the quotient 3 as the next digit in the result. 
Result so far: 5675008.53
Subtracting 45 from 50 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 11:
When dividing 50 by 15, we get 3 with a remainder of 5.
Use 3 as the next digit of our solution. 
Result so far: 5675008.533
Subtract 45 from 50 to get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

In conclusion, the division gives 5675008.533 with a balance of 0.0005.