We divide 57279798 by 15
We want to figure out the number of times 57279798 can be divided by 15.

Moving on to step 1:
15 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Grab the next digit (7) from the dividend, add it to 5, then carry on: 57 / 15

Advancing to step 2:
15 goes into 57 3 times with a remainder of 12.
The next digit of our result is 3. 
Result so far: 3.0
If we subtract 45 from 57, we get 12.
Append the next digit (2) from the dividend to 12 and continue with: 122 / 15

Advancing to step 3:
When dividing 122 by 15, we get 8 with a remainder of 2.
Use 8 as the next digit of our solution. 
Result so far: 38.0
If we take 120 away from 122, we end up with 2.
Fetch the next digit (7) from the dividend, attach it to 2 and continue: 27 / 15

Going ahead to step 4:
If we divide 27 by 15, we get 1 and a remainder of 12.
The number 1 becomes the next digit in our result. 
Result so far: 381.0
The remainder is 12 after subtracting 15 from 27.
Include the next digit (9) from the dividend after 12, then repeat: 129 / 15

Let's proceed to step 5:
129 divided by 15 is 8 with a remainder of 9.
Write down 8 as next digit of the result. 
Result so far: 3818.0
Subtracting 120 from 129 leaves us with 9.
Include the next digit (7) from the dividend after 9, then repeat: 97 / 15

Advancing to step 6:
If we divide 97 by 15, we get 6 and a remainder of 7.
Put 6 as the next digit of the answer. 
Result so far: 38186.0
The remainder is 7 after subtracting 90 from 97.
Append the next digit (9) from the dividend to 7 and continue with: 79 / 15

Going ahead to step 7:
When dividing 79 by 15, we get 5 with a remainder of 4.
Put 5 as the next digit of the answer. 
Result so far: 381865.0
If we subtract 75 from 79, we get 4.
Fetch the next digit (8) from the dividend, attach it to 4 and continue: 48 / 15

Step 8:
48 divided by 15 is 3 with a remainder of 3.
Write down 3 as next digit of the result. 
Result so far: 3818653.0
The remainder is 3 after subtracting 45 from 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Going ahead to step 9:
The number 15 fits into 30 2 times, leaving a remainder of 0.
The next digit of our result is 2. 
Result so far: 3818653.2
Deduct 30 from 30 and we're left with 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 15, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 3818653.2
The remainder is 0 after subtracting 0 from 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 11:
15 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 3818653.2
Deduct 0 from 0 and we're left with 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 outcome is 3818653.2, with a leftover of 0.0.