We're dividing 331353 by 81 
We want to figure out the number of times 331353 can be divided by 81.

On to step 1:
If we divide 3 by 81, we get 0 and a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 81

Step 2:
33 divided by 81 is 0 with a remainder of 33.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 33 to get 33.
Take the next digit (1) from the dividend and append it to 33, then repeat: 331 / 81

Moving on to step 3:
When dividing 331 by 81, we get 4 with a remainder of 7.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Subtracting 324 from 331 leaves us with 7.
Grab the next digit (3) from the dividend, add it to 7, then carry on: 73 / 81

Advancing to step 4:
81 goes into 73 0 times with a remainder of 73.
The next digit of our result is 0. 
Result so far: 40.0
Deduct 0 from 73 and we're left with 73.
Include the next digit (5) from the dividend after 73, then repeat: 735 / 81

Going ahead to step 5:
81 goes into 735 9 times with a remainder of 6.
Put 9 as the next digit of the answer. 
Result so far: 409.0
Subtracting 729 from 735 leaves us with 6.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 81

Going ahead to step 6:
When dividing 63 by 81, we get 0 with a remainder of 63.
The next digit of our result is 0. 
Result so far: 4090.0
If we take 0 away from 63, we end up with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

On to step 7:
81 goes into 630 7 times with a remainder of 63.
Put 7 as the next digit of the answer. 
Result so far: 4090.7
The remainder is 63 after subtracting 567 from 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Going ahead to step 8:
The number 81 fits into 630 7 times, leaving a remainder of 63.
Put 7 as the next digit of the answer. 
Result so far: 4090.77
Deduct 567 from 630 and we're left with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

In conclusion, the division gives 4090.77 with a balance of 0.063.