We're dividing 518140 by 80 
Let's see how many times 80 fits into 518140.

Advancing to step 1:
The number 80 fits into 5 0 times, leaving a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 80

Moving on to step 2:
51 divided by 80 is 0 with a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 51, we end up with 51.
Append the next digit (8) from the dividend to 51 and continue with: 518 / 80

Moving on to step 3:
The number 80 fits into 518 6 times, leaving a remainder of 38.
Write down 6 as next digit of the result. 
Result so far: 6.0
If we subtract 480 from 518, we get 38.
Take the next digit (1) from the dividend and append it to 38, then repeat: 381 / 80

Going ahead to step 4:
80 can be fit into 381 4 times, resulting in a remainder of 61.
The next digit of our result is 4. 
Result so far: 64.0
Deduct 320 from 381 and we're left with 61.
Bring next digit (4) of the dividend behind the 61 and repeat the process: 614 / 80

Step 5:
80 goes into 614 7 times with a remainder of 54.
The next digit of our result is 7. 
Result so far: 647.0
Subtracting 560 from 614 leaves us with 54.
Fetch the next digit (0) from the dividend, attach it to 54 and continue: 540 / 80

Let's proceed to step 6:
80 goes into 540 6 times with a remainder of 60.
Record the quotient 6 as the next digit in the result. 
Result so far: 6476.0
The remainder is 60 after subtracting 480 from 540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Going ahead to step 7:
80 goes into 600 7 times with a remainder of 40.
Record the quotient 7 as the next digit in the result. 
Result so far: 6476.7
Subtract 560 from 600 to 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.

Step 8:
80 can be fit into 400 5 times, resulting in a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 6476.75
The remainder is 0 after subtracting 400 from 400.
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 9:
The number 80 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 6476.75
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 10:
If we divide 0 by 80, we get 0 and a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 6476.75
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.

The final result is 6476.75 with a remainder of 0.0.