We look at the division of 310722 by 80 
The aim is to understand the frequency of 80 in 310722.

Advancing to step 1:
If we divide 3 by 80, we get 0 and a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Include the next digit (1) from the dividend after 3, then repeat: 31 / 80

Going ahead to step 2:
80 can be fit into 31 0 times, resulting in a remainder of 31.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 31 after subtracting 0 from 31.
Fetch the next digit (0) from the dividend, attach it to 31 and continue: 310 / 80

Going ahead to step 3:
80 can be fit into 310 3 times, resulting in a remainder of 70.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we subtract 240 from 310, we get 70.
Append the next digit (7) from the dividend to 70 and continue with: 707 / 80

On to step 4:
The number 80 fits into 707 8 times, leaving a remainder of 67.
Use 8 as the next digit of our solution. 
Result so far: 38.0
If we take 640 away from 707, we end up with 67.
Include the next digit (2) from the dividend after 67, then repeat: 672 / 80

On to step 5:
672 divided by 80 is 8 with a remainder of 32.
Write down 8 as next digit of the result. 
Result so far: 388.0
Subtracting 640 from 672 leaves us with 32.
Fetch the next digit (2) from the dividend, attach it to 32 and continue: 322 / 80

Let's proceed to step 6:
When dividing 322 by 80, we get 4 with a remainder of 2.
The next digit of our result is 4. 
Result so far: 3884.0
If we subtract 320 from 322, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 7:
The number 80 fits into 20 0 times, leaving a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 3884.0
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 8:
If we divide 200 by 80, we get 2 and a remainder of 40.
The next digit of our result is 2. 
Result so far: 3884.02
If we take 160 away from 200, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 9:
The number 80 fits into 400 5 times, leaving a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 3884.025
If we subtract 400 from 400, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
0 divided by 80 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 3884.025
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 11:
When dividing 0 by 80, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 3884.025
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 3884.025, with a leftover of 0.0.