331146 ÷ 45 
We want to figure out the number of times 331146 can be divided by 45.

Going ahead to step 1:
The number 45 fits into 3 0 times, leaving a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 45

Going ahead to step 2:
When dividing 33 by 45, we get 0 with a remainder of 33.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 33, we get 33.
Grab the next digit (1) from the dividend, add it to 33, then carry on: 331 / 45

Let's proceed to step 3:
When dividing 331 by 45, we get 7 with a remainder of 16.
Write down 7 as next digit of the result. 
Result so far: 7.0
Subtracting 315 from 331 leaves us with 16.
Append the next digit (1) from the dividend to 16 and continue with: 161 / 45

Let's proceed to step 4:
The number 45 fits into 161 3 times, leaving a remainder of 26.
Record the quotient 3 as the next digit in the result. 
Result so far: 73.0
Deduct 135 from 161 and we're left with 26.
Fetch the next digit (4) from the dividend, attach it to 26 and continue: 264 / 45

Going ahead to step 5:
The number 45 fits into 264 5 times, leaving a remainder of 39.
Put 5 as the next digit of the answer. 
Result so far: 735.0
The remainder is 39 after subtracting 225 from 264.
Append the next digit (6) from the dividend to 39 and continue with: 396 / 45

Advancing to step 6:
45 goes into 396 8 times with a remainder of 36.
The next digit of our result is 8. 
Result so far: 7358.0
Deduct 360 from 396 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 7:
360 divided by 45 is 8 with a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 7358.8
If we take 360 away from 360, 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.

Going ahead to step 8:
If we divide 0 by 45, we get 0 and a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 7358.8
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.

Going ahead to step 9:
45 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 7358.8
If we subtract 0 from 0, we 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.

The final outcome is 7358.8, with a leftover of 0.0.