We look at the division of 242415 by 66 
Let's see how many times 66 fits into 242415.

Let's proceed to step 1:
If we divide 2 by 66, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Take the next digit (4) from the dividend and append it to 2, then repeat: 24 / 66

On to step 2:
If we divide 24 by 66, we get 0 and a remainder of 24.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 24 after subtracting 0 from 24.
Take the next digit (2) from the dividend and append it to 24, then repeat: 242 / 66

Step 3:
The number 66 fits into 242 3 times, leaving a remainder of 44.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
If we take 198 away from 242, we end up with 44.
Grab the next digit (4) from the dividend, add it to 44, then carry on: 444 / 66

Advancing to step 4:
If we divide 444 by 66, we get 6 and a remainder of 48.
The next digit of our result is 6. 
Result so far: 36.0
If we take 396 away from 444, we end up with 48.
Append the next digit (1) from the dividend to 48 and continue with: 481 / 66

Advancing to step 5:
481 divided by 66 is 7 with a remainder of 19.
Use 7 as the next digit of our solution. 
Result so far: 367.0
If we take 462 away from 481, we end up with 19.
Bring next digit (5) of the dividend behind the 19 and repeat the process: 195 / 66

Let's proceed to step 6:
66 can be fit into 195 2 times, resulting in a remainder of 63.
Record the quotient 2 as the next digit in the result. 
Result so far: 3672.0
The remainder is 63 after subtracting 132 from 195.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Going ahead to step 7:
The number 66 fits into 630 9 times, leaving a remainder of 36.
Put 9 as the next digit of the answer. 
Result so far: 3672.9
Deduct 594 from 630 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 8:
The number 66 fits into 360 5 times, leaving a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 3672.95
Deduct 330 from 360 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 9:
300 divided by 66 is 4 with a remainder of 36.
Use 4 as the next digit of our solution. 
Result so far: 3672.954
Subtracting 264 from 300 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 10:
66 goes into 360 5 times with a remainder of 30.
Use 5 as the next digit of our solution. 
Result so far: 3672.9545
The remainder is 30 after subtracting 330 from 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 11:
When dividing 300 by 66, we get 4 with a remainder of 36.
The number 4 becomes the next digit in our result. 
Result so far: 3672.95454
Subtracting 264 from 300 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 12:
When dividing 360 by 66, we get 5 with a remainder of 30.
Put 5 as the next digit of the answer. 
Result so far: 3672.954545
If we subtract 330 from 360, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 13:
66 goes into 300 4 times with a remainder of 36.
The next digit of our result is 4. 
Result so far: 3672.9545454
The remainder is 36 after subtracting 264 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 14:
66 goes into 360 5 times with a remainder of 30.
The next digit of our result is 5. 
Result so far: 3672.95454545
If we subtract 330 from 360, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Our division results in 3672.95454545 with a remaining 3e-08.