Let's divide 165543 by 18
We want to figure out the number of times 165543 can be divided by 18.

Step 1:
18 goes into 1 0 times with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Append the next digit (6) from the dividend to 1 and continue with: 16 / 18

On to step 2:
When dividing 16 by 18, we get 0 with a remainder of 16.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 16 leaves us with 16.
Take the next digit (5) from the dividend and append it to 16, then repeat: 165 / 18

Advancing to step 3:
18 goes into 165 9 times with a remainder of 3.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 162 from 165 leaves us with 3.
Take the next digit (5) from the dividend and append it to 3, then repeat: 35 / 18

Step 4:
When dividing 35 by 18, we get 1 with a remainder of 17.
Use 1 as the next digit of our solution. 
Result so far: 91.0
Deduct 18 from 35 and we're left with 17.
Grab the next digit (4) from the dividend, add it to 17, then carry on: 174 / 18

Advancing to step 5:
174 divided by 18 is 9 with a remainder of 12.
The next digit of our result is 9. 
Result so far: 919.0
Subtracting 162 from 174 leaves us with 12.
Bring next digit (3) of the dividend behind the 12 and repeat the process: 123 / 18

Advancing to step 6:
If we divide 123 by 18, we get 6 and a remainder of 15.
Write down 6 as next digit of the result. 
Result so far: 9196.0
Subtract 108 from 123 to get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 7:
150 divided by 18 is 8 with a remainder of 6.
Write down 8 as next digit of the result. 
Result so far: 9196.8
Subtract 144 from 150 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 8:
When dividing 60 by 18, we get 3 with a remainder of 6.
Put 3 as the next digit of the answer. 
Result so far: 9196.83
If we subtract 54 from 60, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 9:
The number 18 fits into 60 3 times, leaving a remainder of 6.
The next digit of our result is 3. 
Result so far: 9196.833
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.

The final outcome is 9196.833, with a leftover of 0.0006.