We look at the division of 18552591 by 660 
We're looking to find how many times 660 goes into 18552591.

Let's proceed to step 1:
When dividing 1 by 660, we get 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 660

Let's proceed to step 2:
When dividing 18 by 660, we get 0 with a remainder of 18.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 18 and we're left with 18.
Append the next digit (5) from the dividend to 18 and continue with: 185 / 660

Going ahead to step 3:
The number 660 fits into 185 0 times, leaving a remainder of 185.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 185 and we're left with 185.
Grab the next digit (5) from the dividend, add it to 185, then carry on: 1855 / 660

Going ahead to step 4:
1855 divided by 660 is 2 with a remainder of 535.
The next digit of our result is 2. 
Result so far: 2.0
The remainder is 535 after subtracting 1320 from 1855.
Grab the next digit (2) from the dividend, add it to 535, then carry on: 5352 / 660

Going ahead to step 5:
660 goes into 5352 8 times with a remainder of 72.
Write down 8 as next digit of the result. 
Result so far: 28.0
The remainder is 72 after subtracting 5280 from 5352.
Include the next digit (5) from the dividend after 72, then repeat: 725 / 660

Let's proceed to step 6:
The number 660 fits into 725 1 times, leaving a remainder of 65.
The number 1 becomes the next digit in our result. 
Result so far: 281.0
Subtract 660 from 725 to get 65.
Grab the next digit (9) from the dividend, add it to 65, then carry on: 659 / 660

Let's proceed to step 7:
If we divide 659 by 660, we get 0 and a remainder of 659.
Put 0 as the next digit of the answer. 
Result so far: 2810.0
The remainder is 659 after subtracting 0 from 659.
Fetch the next digit (1) from the dividend, attach it to 659 and continue: 6591 / 660

Going ahead to step 8:
If we divide 6591 by 660, we get 9 and a remainder of 651.
Write down 9 as next digit of the result. 
Result so far: 28109.0
If we take 5940 away from 6591, we end up with 651.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6510, and continue the process.

Step 9:
The number 660 fits into 6510 9 times, leaving a remainder of 570.
The next digit of our result is 9. 
Result so far: 28109.9
The remainder is 570 after subtracting 5940 from 6510.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5700, and continue the process.

Step 10:
When dividing 5700 by 660, we get 8 with a remainder of 420.
Use 8 as the next digit of our solution. 
Result so far: 28109.98
Deduct 5280 from 5700 and we're left with 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

Going ahead to step 11:
If we divide 4200 by 660, we get 6 and a remainder of 240.
The next digit of our result is 6. 
Result so far: 28109.986
If we subtract 3960 from 4200, we get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 12:
2400 divided by 660 is 3 with a remainder of 420.
The number 3 becomes the next digit in our result. 
Result so far: 28109.9863
If we subtract 1980 from 2400, we get 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

On to step 13:
When dividing 4200 by 660, we get 6 with a remainder of 240.
The next digit of our result is 6. 
Result so far: 28109.98636
Subtract 3960 from 4200 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Advancing to step 14:
2400 divided by 660 is 3 with a remainder of 420.
The next digit of our result is 3. 
Result so far: 28109.986363
Deduct 1980 from 2400 and we're left with 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

Going ahead to step 15:
660 goes into 4200 6 times with a remainder of 240.
Put 6 as the next digit of the answer. 
Result so far: 28109.9863636
The remainder is 240 after subtracting 3960 from 4200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Going ahead to step 16:
The number 660 fits into 2400 3 times, leaving a remainder of 420.
The next digit of our result is 3. 
Result so far: 28109.98636363
If we take 1980 away from 2400, we end up with 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

After the division, we end up with 28109.98636363 and a remainder of 4.2e-07.