We divide 811192 by 80
The aim is to understand the frequency of 80 in 811192.

Moving on to step 1:
The number 80 fits into 8 0 times, leaving a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 80

Let's proceed to step 2:
80 can be fit into 81 1 times, resulting in a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 80 from 81 leaves us with 1.
Fetch the next digit (1) from the dividend, attach it to 1 and continue: 11 / 80

Let's proceed to step 3:
80 goes into 11 0 times with a remainder of 11.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
Subtract 0 from 11 to get 11.
Take the next digit (1) from the dividend and append it to 11, then repeat: 111 / 80

Let's proceed to step 4:
The number 80 fits into 111 1 times, leaving a remainder of 31.
Record the quotient 1 as the next digit in the result. 
Result so far: 101.0
If we subtract 80 from 111, we get 31.
Include the next digit (9) from the dividend after 31, then repeat: 319 / 80

On to step 5:
If we divide 319 by 80, we get 3 and a remainder of 79.
Put 3 as the next digit of the answer. 
Result so far: 1013.0
Deduct 240 from 319 and we're left with 79.
Include the next digit (2) from the dividend after 79, then repeat: 792 / 80

Let's proceed to step 6:
The number 80 fits into 792 9 times, leaving a remainder of 72.
Use 9 as the next digit of our solution. 
Result so far: 10139.0
Deduct 720 from 792 and we're left with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Let's proceed to step 7:
The number 80 fits into 720 9 times, leaving a remainder of 0.
Use 9 as the next digit of our solution. 
Result so far: 10139.9
The remainder is 0 after subtracting 720 from 720.
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 8:
80 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 10139.9
Subtract 0 from 0 to 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.

Going ahead to step 9:
The number 80 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 10139.9
Subtract 0 from 0 to 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.

The final result is 10139.9 with a remainder of 0.0.