758489 ÷ 18 
We want to figure out the number of times 758489 can be divided by 18.

On to step 1:
18 can be fit into 7 0 times, resulting in a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 18

Moving on to step 2:
18 goes into 75 4 times with a remainder of 3.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtract 72 from 75 to get 3.
Grab the next digit (8) from the dividend, add it to 3, then carry on: 38 / 18

On to step 3:
When dividing 38 by 18, we get 2 with a remainder of 2.
Record the quotient 2 as the next digit in the result. 
Result so far: 42.0
If we take 36 away from 38, we end up with 2.
Grab the next digit (4) from the dividend, add it to 2, then carry on: 24 / 18

Going ahead to step 4:
24 divided by 18 is 1 with a remainder of 6.
The next digit of our result is 1. 
Result so far: 421.0
Subtract 18 from 24 to get 6.
Fetch the next digit (8) from the dividend, attach it to 6 and continue: 68 / 18

Going ahead to step 5:
The number 18 fits into 68 3 times, leaving a remainder of 14.
Put 3 as the next digit of the answer. 
Result so far: 4213.0
Deduct 54 from 68 and we're left with 14.
Bring next digit (9) of the dividend behind the 14 and repeat the process: 149 / 18

Step 6:
149 divided by 18 is 8 with a remainder of 5.
Write down 8 as next digit of the result. 
Result so far: 42138.0
Subtracting 144 from 149 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 7:
If we divide 50 by 18, we get 2 and a remainder of 14.
Record the quotient 2 as the next digit in the result. 
Result so far: 42138.2
The remainder is 14 after subtracting 36 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 8:
If we divide 140 by 18, we get 7 and a remainder of 14.
Use 7 as the next digit of our solution. 
Result so far: 42138.27
If we subtract 126 from 140, we get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Going ahead to step 9:
18 goes into 140 7 times with a remainder of 14.
Record the quotient 7 as the next digit in the result. 
Result so far: 42138.277
If we take 126 away from 140, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

The final outcome is 42138.277, with a leftover of 0.0014.