321231 ÷ 81 
Let's see how many times 81 fits into 321231.

Moving on to step 1:
3 divided by 81 is 0 with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Take the next digit (2) from the dividend and append it to 3, then repeat: 32 / 81

Advancing to step 2:
The number 81 fits into 32 0 times, leaving a remainder of 32.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 32, we get 32.
Take the next digit (1) from the dividend and append it to 32, then repeat: 321 / 81

On to step 3:
If we divide 321 by 81, we get 3 and a remainder of 78.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
The remainder is 78 after subtracting 243 from 321.
Bring next digit (2) of the dividend behind the 78 and repeat the process: 782 / 81

Advancing to step 4:
When dividing 782 by 81, we get 9 with a remainder of 53.
Write down 9 as next digit of the result. 
Result so far: 39.0
If we subtract 729 from 782, we get 53.
Fetch the next digit (3) from the dividend, attach it to 53 and continue: 533 / 81

Advancing to step 5:
533 divided by 81 is 6 with a remainder of 47.
Record the quotient 6 as the next digit in the result. 
Result so far: 396.0
If we subtract 486 from 533, we get 47.
Take the next digit (1) from the dividend and append it to 47, then repeat: 471 / 81

Going ahead to step 6:
81 can be fit into 471 5 times, resulting in a remainder of 66.
Record the quotient 5 as the next digit in the result. 
Result so far: 3965.0
The remainder is 66 after subtracting 405 from 471.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Advancing to step 7:
When dividing 660 by 81, we get 8 with a remainder of 12.
Record the quotient 8 as the next digit in the result. 
Result so far: 3965.8
Deduct 648 from 660 and we're left 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.

Step 8:
120 divided by 81 is 1 with a remainder of 39.
The next digit of our result is 1. 
Result so far: 3965.81
Deduct 81 from 120 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Step 9:
If we divide 390 by 81, we get 4 and a remainder of 66.
The next digit of our result is 4. 
Result so far: 3965.814
The remainder is 66 after subtracting 324 from 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Let's proceed to step 10:
660 divided by 81 is 8 with a remainder of 12.
Put 8 as the next digit of the answer. 
Result so far: 3965.8148
Subtract 648 from 660 to 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.

Going ahead to step 11:
81 can be fit into 120 1 times, resulting in a remainder of 39.
Write down 1 as next digit of the result. 
Result so far: 3965.81481
Subtract 81 from 120 to get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Let's proceed to step 12:
81 goes into 390 4 times with a remainder of 66.
The number 4 becomes the next digit in our result. 
Result so far: 3965.814814
The remainder is 66 after subtracting 324 from 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 13:
When dividing 660 by 81, we get 8 with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 3965.8148148
Subtracting 648 from 660 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.

Step 14:
81 can be fit into 120 1 times, resulting in a remainder of 39.
The number 1 becomes the next digit in our result. 
Result so far: 3965.81481481
Subtracting 81 from 120 leaves us with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

The quotient of the division is 3965.81481481, and the remainder is 3.9e-08.