25299533 divided by 321 
The aim is to understand the frequency of 321 in 25299533.

Going ahead to step 1:
If we divide 2 by 321, we get 0 and a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 321

Let's proceed to step 2:
If we divide 25 by 321, we get 0 and a remainder of 25.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 25 after subtracting 0 from 25.
Include the next digit (2) from the dividend after 25, then repeat: 252 / 321

Moving on to step 3:
When dividing 252 by 321, we get 0 with a remainder of 252.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 252, we end up with 252.
Append the next digit (9) from the dividend to 252 and continue with: 2529 / 321

Moving on to step 4:
The number 321 fits into 2529 7 times, leaving a remainder of 282.
Use 7 as the next digit of our solution. 
Result so far: 7.0
Subtracting 2247 from 2529 leaves us with 282.
Fetch the next digit (9) from the dividend, attach it to 282 and continue: 2829 / 321

On to step 5:
321 can be fit into 2829 8 times, resulting in a remainder of 261.
Record the quotient 8 as the next digit in the result. 
Result so far: 78.0
Deduct 2568 from 2829 and we're left with 261.
Bring next digit (5) of the dividend behind the 261 and repeat the process: 2615 / 321

Going ahead to step 6:
321 can be fit into 2615 8 times, resulting in a remainder of 47.
The next digit of our result is 8. 
Result so far: 788.0
If we take 2568 away from 2615, we end up with 47.
Append the next digit (3) from the dividend to 47 and continue with: 473 / 321

Step 7:
473 divided by 321 is 1 with a remainder of 152.
Write down 1 as next digit of the result. 
Result so far: 7881.0
If we subtract 321 from 473, we get 152.
Fetch the next digit (3) from the dividend, attach it to 152 and continue: 1523 / 321

Moving on to step 8:
If we divide 1523 by 321, we get 4 and a remainder of 239.
The number 4 becomes the next digit in our result. 
Result so far: 78814.0
Deduct 1284 from 1523 and we're left with 239.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2390, and continue the process.

Moving on to step 9:
2390 divided by 321 is 7 with a remainder of 143.
Use 7 as the next digit of our solution. 
Result so far: 78814.7
The remainder is 143 after subtracting 2247 from 2390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1430, and continue the process.

Moving on to step 10:
When dividing 1430 by 321, we get 4 with a remainder of 146.
Write down 4 as next digit of the result. 
Result so far: 78814.74
Subtracting 1284 from 1430 leaves us with 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Let's proceed to step 11:
The number 321 fits into 1460 4 times, leaving a remainder of 176.
The next digit of our result is 4. 
Result so far: 78814.744
Subtract 1284 from 1460 to get 176.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

The quotient of the division is 78814.744, and the remainder is 0.0176.