We're dividing 115015 by 78 
We want to figure out the number of times 115015 can be divided by 78.

Moving on to step 1:
78 can be fit into 1 0 times, resulting in a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 78

Let's proceed to step 2:
When dividing 11 by 78, we get 0 with a remainder of 11.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 11, we get 11.
Take the next digit (5) from the dividend and append it to 11, then repeat: 115 / 78

Let's proceed to step 3:
If we divide 115 by 78, we get 1 and a remainder of 37.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 78 from 115 leaves us with 37.
Take the next digit (0) from the dividend and append it to 37, then repeat: 370 / 78

Step 4:
When dividing 370 by 78, we get 4 with a remainder of 58.
Write down 4 as next digit of the result. 
Result so far: 14.0
If we take 312 away from 370, we end up with 58.
Grab the next digit (1) from the dividend, add it to 58, then carry on: 581 / 78

Step 5:
78 goes into 581 7 times with a remainder of 35.
Write down 7 as next digit of the result. 
Result so far: 147.0
Subtract 546 from 581 to get 35.
Take the next digit (5) from the dividend and append it to 35, then repeat: 355 / 78

Let's proceed to step 6:
78 goes into 355 4 times with a remainder of 43.
Write down 4 as next digit of the result. 
Result so far: 1474.0
The remainder is 43 after subtracting 312 from 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 7:
78 goes into 430 5 times with a remainder of 40.
Put 5 as the next digit of the answer. 
Result so far: 1474.5
If we subtract 390 from 430, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 8:
400 divided by 78 is 5 with a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 1474.55
Deduct 390 from 400 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

After the division, we end up with 1474.55 and a remainder of 0.01.