Let's divide 93456536 by 321
The aim is to understand the frequency of 321 in 93456536.

Advancing to step 1:
9 divided by 321 is 0 with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Take the next digit (3) from the dividend and append it to 9, then repeat: 93 / 321

Let's proceed to step 2:
321 can be fit into 93 0 times, resulting in a remainder of 93.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 93, we get 93.
Bring next digit (4) of the dividend behind the 93 and repeat the process: 934 / 321

Moving on to step 3:
If we divide 934 by 321, we get 2 and a remainder of 292.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 642 from 934 to get 292.
Take the next digit (5) from the dividend and append it to 292, then repeat: 2925 / 321

Moving on to step 4:
If we divide 2925 by 321, we get 9 and a remainder of 36.
Write down 9 as next digit of the result. 
Result so far: 29.0
Deduct 2889 from 2925 and we're left with 36.
Fetch the next digit (6) from the dividend, attach it to 36 and continue: 366 / 321

Moving on to step 5:
321 can be fit into 366 1 times, resulting in a remainder of 45.
The number 1 becomes the next digit in our result. 
Result so far: 291.0
If we subtract 321 from 366, we get 45.
Fetch the next digit (5) from the dividend, attach it to 45 and continue: 455 / 321

Going ahead to step 6:
If we divide 455 by 321, we get 1 and a remainder of 134.
Write down 1 as next digit of the result. 
Result so far: 2911.0
If we take 321 away from 455, we end up with 134.
Grab the next digit (3) from the dividend, add it to 134, then carry on: 1343 / 321

On to step 7:
When dividing 1343 by 321, we get 4 with a remainder of 59.
Record the quotient 4 as the next digit in the result. 
Result so far: 29114.0
If we take 1284 away from 1343, we end up with 59.
Bring next digit (6) of the dividend behind the 59 and repeat the process: 596 / 321

Step 8:
321 goes into 596 1 times with a remainder of 275.
Put 1 as the next digit of the answer. 
Result so far: 291141.0
If we subtract 321 from 596, we get 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Moving on to step 9:
321 can be fit into 2750 8 times, resulting in a remainder of 182.
Put 8 as the next digit of the answer. 
Result so far: 291141.8
Deduct 2568 from 2750 and we're left with 182.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1820, and continue the process.

Moving on to step 10:
1820 divided by 321 is 5 with a remainder of 215.
The number 5 becomes the next digit in our result. 
Result so far: 291141.85
Subtract 1605 from 1820 to get 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Let's proceed to step 11:
321 can be fit into 2150 6 times, resulting in a remainder of 224.
Record the quotient 6 as the next digit in the result. 
Result so far: 291141.856
The remainder is 224 after subtracting 1926 from 2150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Let's proceed to step 12:
321 can be fit into 2240 6 times, resulting in a remainder of 314.
Put 6 as the next digit of the answer. 
Result so far: 291141.8566
If we take 1926 away from 2240, we end up with 314.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3140, and continue the process.

After the division, we end up with 291141.8566 and a remainder of 0.00314.