We're dividing 323367 by 21 
We want to figure out the number of times 323367 can be divided by 21.

Let's proceed to step 1:
The number 21 fits into 3 0 times, leaving a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Bring next digit (2) of the dividend behind the 3 and repeat the process: 32 / 21

Moving on to step 2:
21 goes into 32 1 times with a remainder of 11.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 21 from 32 to get 11.
Grab the next digit (3) from the dividend, add it to 11, then carry on: 113 / 21

Let's proceed to step 3:
If we divide 113 by 21, we get 5 and a remainder of 8.
The number 5 becomes the next digit in our result. 
Result so far: 15.0
Subtracting 105 from 113 leaves us with 8.
Fetch the next digit (3) from the dividend, attach it to 8 and continue: 83 / 21

Advancing to step 4:
83 divided by 21 is 3 with a remainder of 20.
Write down 3 as next digit of the result. 
Result so far: 153.0
If we subtract 63 from 83, we get 20.
Take the next digit (6) from the dividend and append it to 20, then repeat: 206 / 21

Step 5:
21 goes into 206 9 times with a remainder of 17.
Put 9 as the next digit of the answer. 
Result so far: 1539.0
Subtracting 189 from 206 leaves us with 17.
Append the next digit (7) from the dividend to 17 and continue with: 177 / 21

Step 6:
If we divide 177 by 21, we get 8 and a remainder of 9.
The next digit of our result is 8. 
Result so far: 15398.0
If we take 168 away from 177, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 7:
When dividing 90 by 21, we get 4 with a remainder of 6.
Write down 4 as next digit of the result. 
Result so far: 15398.4
The remainder is 6 after subtracting 84 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 8:
The number 21 fits into 60 2 times, leaving a remainder of 18.
The next digit of our result is 2. 
Result so far: 15398.42
The remainder is 18 after subtracting 42 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Moving on to step 9:
21 goes into 180 8 times with a remainder of 12.
Use 8 as the next digit of our solution. 
Result so far: 15398.428
Subtract 168 from 180 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.

Let's proceed to step 10:
21 can be fit into 120 5 times, resulting in a remainder of 15.
The next digit of our result is 5. 
Result so far: 15398.4285
If we take 105 away from 120, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Step 11:
150 divided by 21 is 7 with a remainder of 3.
Write down 7 as next digit of the result. 
Result so far: 15398.42857
Subtract 147 from 150 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 12:
The number 21 fits into 30 1 times, leaving a remainder of 9.
Use 1 as the next digit of our solution. 
Result so far: 15398.428571
If we subtract 21 from 30, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 13:
90 divided by 21 is 4 with a remainder of 6.
Put 4 as the next digit of the answer. 
Result so far: 15398.4285714
Subtracting 84 from 90 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 14:
When dividing 60 by 21, we get 2 with a remainder of 18.
Put 2 as the next digit of the answer. 
Result so far: 15398.42857142
Subtract 42 from 60 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

After the division, we end up with 15398.42857142 and a remainder of 1.8e-08.