138576 ÷ 18 
We want to figure out the number of times 138576 can be divided by 18.

Step 1:
If we divide 1 by 18, we get 0 and a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Include the next digit (3) from the dividend after 1, then repeat: 13 / 18

On to step 2:
18 goes into 13 0 times with a remainder of 13.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 13, we end up with 13.
Take the next digit (8) from the dividend and append it to 13, then repeat: 138 / 18

Let's proceed to step 3:
138 divided by 18 is 7 with a remainder of 12.
The next digit of our result is 7. 
Result so far: 7.0
If we subtract 126 from 138, we get 12.
Include the next digit (5) from the dividend after 12, then repeat: 125 / 18

On to step 4:
18 can be fit into 125 6 times, resulting in a remainder of 17.
Use 6 as the next digit of our solution. 
Result so far: 76.0
Deduct 108 from 125 and we're left with 17.
Take the next digit (7) from the dividend and append it to 17, then repeat: 177 / 18

Advancing to step 5:
18 can be fit into 177 9 times, resulting in a remainder of 15.
The next digit of our result is 9. 
Result so far: 769.0
The remainder is 15 after subtracting 162 from 177.
Fetch the next digit (6) from the dividend, attach it to 15 and continue: 156 / 18

On to step 6:
18 can be fit into 156 8 times, resulting in a remainder of 12.
Use 8 as the next digit of our solution. 
Result so far: 7698.0
Subtracting 144 from 156 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 7:
If we divide 120 by 18, we get 6 and a remainder of 12.
The next digit of our result is 6. 
Result so far: 7698.6
If we subtract 108 from 120, 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.

On to step 8:
When dividing 120 by 18, we get 6 with a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 7698.66
If we subtract 108 from 120, 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.

The final result is 7698.66 with a remainder of 0.012.