355080 ÷ 15 
We want to figure out the number of times 355080 can be divided by 15.

Moving on to step 1:
If we divide 3 by 15, we get 0 and a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Append the next digit (5) from the dividend to 3 and continue with: 35 / 15

Advancing to step 2:
When dividing 35 by 15, we get 2 with a remainder of 5.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 30 from 35 to get 5.
Take the next digit (5) from the dividend and append it to 5, then repeat: 55 / 15

Step 3:
The number 15 fits into 55 3 times, leaving a remainder of 10.
Put 3 as the next digit of the answer. 
Result so far: 23.0
If we subtract 45 from 55, we get 10.
Bring next digit (0) of the dividend behind the 10 and repeat the process: 100 / 15

Let's proceed to step 4:
15 can be fit into 100 6 times, resulting in a remainder of 10.
The next digit of our result is 6. 
Result so far: 236.0
Deduct 90 from 100 and we're left with 10.
Append the next digit (8) from the dividend to 10 and continue with: 108 / 15

Let's proceed to step 5:
When dividing 108 by 15, we get 7 with a remainder of 3.
Record the quotient 7 as the next digit in the result. 
Result so far: 2367.0
Subtracting 105 from 108 leaves us with 3.
Take the next digit (0) from the dividend and append it to 3, then repeat: 30 / 15

On to step 6:
The number 15 fits into 30 2 times, leaving a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 23672.0
Subtracting 30 from 30 leaves us 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.

Going ahead to step 7:
The number 15 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 23672.0
If we take 0 away from 0, we end up 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.

Step 8:
15 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 23672.0
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.

Our division results in 23672.0 with a remaining 0.0.