We look at the division of 58171125 by 515 
We want to divide 58171125 by 515.

Moving on to step 1:
If we divide 5 by 515, we get 0 and a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Append the next digit (8) from the dividend to 5 and continue with: 58 / 515

On to step 2:
When dividing 58 by 515, we get 0 with a remainder of 58.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 58 and we're left with 58.
Take the next digit (1) from the dividend and append it to 58, then repeat: 581 / 515

Going ahead to step 3:
515 goes into 581 1 times with a remainder of 66.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 515 away from 581, we end up with 66.
Fetch the next digit (7) from the dividend, attach it to 66 and continue: 667 / 515

On to step 4:
515 can be fit into 667 1 times, resulting in a remainder of 152.
Write down 1 as next digit of the result. 
Result so far: 11.0
Deduct 515 from 667 and we're left with 152.
Include the next digit (1) from the dividend after 152, then repeat: 1521 / 515

Step 5:
The number 515 fits into 1521 2 times, leaving a remainder of 491.
Record the quotient 2 as the next digit in the result. 
Result so far: 112.0
Deduct 1030 from 1521 and we're left with 491.
Append the next digit (1) from the dividend to 491 and continue with: 4911 / 515

Moving on to step 6:
4911 divided by 515 is 9 with a remainder of 276.
Use 9 as the next digit of our solution. 
Result so far: 1129.0
If we take 4635 away from 4911, we end up with 276.
Take the next digit (2) from the dividend and append it to 276, then repeat: 2762 / 515

Moving on to step 7:
The number 515 fits into 2762 5 times, leaving a remainder of 187.
Put 5 as the next digit of the answer. 
Result so far: 11295.0
Subtract 2575 from 2762 to get 187.
Include the next digit (5) from the dividend after 187, then repeat: 1875 / 515

Advancing to step 8:
515 can be fit into 1875 3 times, resulting in a remainder of 330.
Write down 3 as next digit of the result. 
Result so far: 112953.0
Subtract 1545 from 1875 to get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

On to step 9:
If we divide 3300 by 515, we get 6 and a remainder of 210.
The number 6 becomes the next digit in our result. 
Result so far: 112953.6
If we take 3090 away from 3300, we end up with 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

Advancing to step 10:
515 goes into 2100 4 times with a remainder of 40.
Put 4 as the next digit of the answer. 
Result so far: 112953.64
The remainder is 40 after subtracting 2060 from 2100.
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 11:
515 goes into 400 0 times with a remainder of 400.
The next digit of our result is 0. 
Result so far: 112953.64
Subtract 0 from 400 to get 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

On to step 12:
If we divide 4000 by 515, we get 7 and a remainder of 395.
The number 7 becomes the next digit in our result. 
Result so far: 112953.6407
Subtract 3605 from 4000 to get 395.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3950, and continue the process.

Step 13:
If we divide 3950 by 515, we get 7 and a remainder of 345.
Write down 7 as next digit of the result. 
Result so far: 112953.64077
Subtract 3605 from 3950 to get 345.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3450, and continue the process.

The final result is 112953.64077 with a remainder of 0.000345.