660615 divided by 54 
Let's see how many times 54 fits into 660615.

Going ahead to step 1:
The number 54 fits into 6 0 times, leaving a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 54

Step 2:
54 can be fit into 66 1 times, resulting in a remainder of 12.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 54 from 66 and we're left with 12.
Take the next digit (0) from the dividend and append it to 12, then repeat: 120 / 54

Let's proceed to step 3:
120 divided by 54 is 2 with a remainder of 12.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
Subtracting 108 from 120 leaves us with 12.
Bring next digit (6) of the dividend behind the 12 and repeat the process: 126 / 54

Going ahead to step 4:
126 divided by 54 is 2 with a remainder of 18.
Record the quotient 2 as the next digit in the result. 
Result so far: 122.0
Subtract 108 from 126 to get 18.
Append the next digit (1) from the dividend to 18 and continue with: 181 / 54

Going ahead to step 5:
54 can be fit into 181 3 times, resulting in a remainder of 19.
The next digit of our result is 3. 
Result so far: 1223.0
Deduct 162 from 181 and we're left with 19.
Fetch the next digit (5) from the dividend, attach it to 19 and continue: 195 / 54

Moving on to step 6:
195 divided by 54 is 3 with a remainder of 33.
Record the quotient 3 as the next digit in the result. 
Result so far: 12233.0
If we take 162 away from 195, we end up with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Moving on to step 7:
If we divide 330 by 54, we get 6 and a remainder of 6.
Record the quotient 6 as the next digit in the result. 
Result so far: 12233.6
Deduct 324 from 330 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 8:
60 divided by 54 is 1 with a remainder of 6.
The next digit of our result is 1. 
Result so far: 12233.61
If we take 54 away from 60, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 9:
54 goes into 60 1 times with a remainder of 6.
Write down 1 as next digit of the result. 
Result so far: 12233.611
Deduct 54 from 60 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

After the division, we end up with 12233.611 and a remainder of 0.0006.