80303214 divided by 54 
The aim is to understand the frequency of 54 in 80303214.

Let's proceed to step 1:
If we divide 8 by 54, we get 0 and a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Include the next digit (0) from the dividend after 8, then repeat: 80 / 54

Advancing to step 2:
54 can be fit into 80 1 times, resulting in a remainder of 26.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 54 away from 80, we end up with 26.
Append the next digit (3) from the dividend to 26 and continue with: 263 / 54

Going ahead to step 3:
If we divide 263 by 54, we get 4 and a remainder of 47.
The next digit of our result is 4. 
Result so far: 14.0
If we take 216 away from 263, we end up with 47.
Bring next digit (0) of the dividend behind the 47 and repeat the process: 470 / 54

Step 4:
If we divide 470 by 54, we get 8 and a remainder of 38.
Use 8 as the next digit of our solution. 
Result so far: 148.0
If we take 432 away from 470, we end up with 38.
Append the next digit (3) from the dividend to 38 and continue with: 383 / 54

Step 5:
54 can be fit into 383 7 times, resulting in a remainder of 5.
Put 7 as the next digit of the answer. 
Result so far: 1487.0
Subtracting 378 from 383 leaves us with 5.
Grab the next digit (2) from the dividend, add it to 5, then carry on: 52 / 54

Moving on to step 6:
54 goes into 52 0 times with a remainder of 52.
The number 0 becomes the next digit in our result. 
Result so far: 14870.0
Subtracting 0 from 52 leaves us with 52.
Grab the next digit (1) from the dividend, add it to 52, then carry on: 521 / 54

Let's proceed to step 7:
The number 54 fits into 521 9 times, leaving a remainder of 35.
Put 9 as the next digit of the answer. 
Result so far: 148709.0
The remainder is 35 after subtracting 486 from 521.
Take the next digit (4) from the dividend and append it to 35, then repeat: 354 / 54

Advancing to step 8:
354 divided by 54 is 6 with a remainder of 30.
The number 6 becomes the next digit in our result. 
Result so far: 1487096.0
If we subtract 324 from 354, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 9:
The number 54 fits into 300 5 times, leaving a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 1487096.5
If we subtract 270 from 300, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 10:
54 goes into 300 5 times with a remainder of 30.
Write down 5 as next digit of the result. 
Result so far: 1487096.55
If we subtract 270 from 300, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

The final outcome is 1487096.55, with a leftover of 0.03.