We're dividing 543357 by 15 
We're looking to find how many times 15 goes into 543357.

Advancing to step 1:
15 goes into 5 0 times with a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Grab the next digit (4) from the dividend, add it to 5, then carry on: 54 / 15

Advancing to step 2:
If we divide 54 by 15, we get 3 and a remainder of 9.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
Deduct 45 from 54 and we're left with 9.
Include the next digit (3) from the dividend after 9, then repeat: 93 / 15

Moving on to step 3:
15 can be fit into 93 6 times, resulting in a remainder of 3.
Record the quotient 6 as the next digit in the result. 
Result so far: 36.0
If we take 90 away from 93, we end up with 3.
Take the next digit (3) from the dividend and append it to 3, then repeat: 33 / 15

On to step 4:
The number 15 fits into 33 2 times, leaving a remainder of 3.
Use 2 as the next digit of our solution. 
Result so far: 362.0
If we take 30 away from 33, we end up with 3.
Grab the next digit (5) from the dividend, add it to 3, then carry on: 35 / 15

Moving on to step 5:
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: 3622.0
Deduct 30 from 35 and we're left with 5.
Grab the next digit (7) from the dividend, add it to 5, then carry on: 57 / 15

Going ahead to step 6:
If we divide 57 by 15, we get 3 and a remainder of 12.
Record the quotient 3 as the next digit in the result. 
Result so far: 36223.0
If we subtract 45 from 57, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 7:
The number 15 fits into 120 8 times, leaving a remainder of 0.
The number 8 becomes the next digit in our result. 
Result so far: 36223.8
Subtract 120 from 120 to get 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 8:
0 divided by 15 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 36223.8
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.

Step 9:
The number 15 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 36223.8
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.

The quotient of the division is 36223.8, and the remainder is 0.0.