We look at the division of 66911980 by 502 
We're looking to find how many times 502 goes into 66911980.

Advancing to step 1:
502 can be fit into 6 0 times, resulting in a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 502

On to step 2:
502 goes into 66 0 times with a remainder of 66.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 66 and we're left with 66.
Fetch the next digit (9) from the dividend, attach it to 66 and continue: 669 / 502

On to step 3:
When dividing 669 by 502, we get 1 with a remainder of 167.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 167 after subtracting 502 from 669.
Include the next digit (1) from the dividend after 167, then repeat: 1671 / 502

Moving on to step 4:
If we divide 1671 by 502, we get 3 and a remainder of 165.
Record the quotient 3 as the next digit in the result. 
Result so far: 13.0
If we subtract 1506 from 1671, we get 165.
Include the next digit (1) from the dividend after 165, then repeat: 1651 / 502

Step 5:
The number 502 fits into 1651 3 times, leaving a remainder of 145.
Use 3 as the next digit of our solution. 
Result so far: 133.0
Subtract 1506 from 1651 to get 145.
Include the next digit (9) from the dividend after 145, then repeat: 1459 / 502

Step 6:
1459 divided by 502 is 2 with a remainder of 455.
Use 2 as the next digit of our solution. 
Result so far: 1332.0
If we subtract 1004 from 1459, we get 455.
Append the next digit (8) from the dividend to 455 and continue with: 4558 / 502

On to step 7:
4558 divided by 502 is 9 with a remainder of 40.
The number 9 becomes the next digit in our result. 
Result so far: 13329.0
Subtracting 4518 from 4558 leaves us with 40.
Append the next digit (0) from the dividend to 40 and continue with: 400 / 502

Step 8:
400 divided by 502 is 0 with a remainder of 400.
Write down 0 as next digit of the result. 
Result so far: 133290.0
If we subtract 0 from 400, we 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.

Going ahead to step 9:
If we divide 4000 by 502, we get 7 and a remainder of 486.
The next digit of our result is 7. 
Result so far: 133290.7
If we take 3514 away from 4000, we end up with 486.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4860, and continue the process.

Going ahead to step 10:
If we divide 4860 by 502, we get 9 and a remainder of 342.
Write down 9 as next digit of the result. 
Result so far: 133290.79
Deduct 4518 from 4860 and we're left with 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

Step 11:
502 goes into 3420 6 times with a remainder of 408.
The number 6 becomes the next digit in our result. 
Result so far: 133290.796
The remainder is 408 after subtracting 3012 from 3420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4080, and continue the process.

On to step 12:
502 can be fit into 4080 8 times, resulting in a remainder of 64.
The next digit of our result is 8. 
Result so far: 133290.7968
The remainder is 64 after subtracting 4016 from 4080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 13:
If we divide 640 by 502, we get 1 and a remainder of 138.
Write down 1 as next digit of the result. 
Result so far: 133290.79681
Deduct 502 from 640 and we're left with 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Moving on to step 14:
The number 502 fits into 1380 2 times, leaving a remainder of 376.
Use 2 as the next digit of our solution. 
Result so far: 133290.796812
Subtracting 1004 from 1380 leaves us with 376.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3760, and continue the process.

Moving on to step 15:
If we divide 3760 by 502, we get 7 and a remainder of 246.
Write down 7 as next digit of the result. 
Result so far: 133290.7968127
Subtract 3514 from 3760 to get 246.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2460, and continue the process.

Going ahead to step 16:
502 goes into 2460 4 times with a remainder of 452.
Put 4 as the next digit of the answer. 
Result so far: 133290.79681274
If we take 2008 away from 2460, we end up with 452.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4520, and continue the process.

The final result is 133290.79681274 with a remainder of 4.52e-07.