We're dividing 82040 by 66 
The aim is to understand the frequency of 66 in 82040.

Step 1:
8 divided by 66 is 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (2) of the dividend behind the 8 and repeat the process: 82 / 66

On to step 2:
66 can be fit into 82 1 times, resulting in a remainder of 16.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 16 after subtracting 66 from 82.
Bring next digit (0) of the dividend behind the 16 and repeat the process: 160 / 66

Advancing to step 3:
When dividing 160 by 66, we get 2 with a remainder of 28.
Put 2 as the next digit of the answer. 
Result so far: 12.0
The remainder is 28 after subtracting 132 from 160.
Grab the next digit (4) from the dividend, add it to 28, then carry on: 284 / 66

Step 4:
284 divided by 66 is 4 with a remainder of 20.
Write down 4 as next digit of the result. 
Result so far: 124.0
Subtract 264 from 284 to get 20.
Take the next digit (0) from the dividend and append it to 20, then repeat: 200 / 66

Advancing to step 5:
66 goes into 200 3 times with a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 1243.0
Subtract 198 from 200 to 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.

Moving on to step 6:
The number 66 fits into 20 0 times, leaving a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 1243.0
Subtract 0 from 20 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 7:
If we divide 200 by 66, we get 3 and a remainder of 2.
Put 3 as the next digit of the answer. 
Result so far: 1243.03
Subtract 198 from 200 to 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.

Step 8:
If we divide 20 by 66, we get 0 and a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 1243.03
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 9:
If we divide 200 by 66, we get 3 and a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 1243.0303
The remainder is 2 after subtracting 198 from 200.
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 10:
When dividing 20 by 66, we get 0 with a remainder of 20.
The next digit of our result is 0. 
Result so far: 1243.0303
Subtracting 0 from 20 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 11:
66 goes into 200 3 times with a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 1243.030303
If we take 198 away from 200, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 12:
20 divided by 66 is 0 with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 1243.030303
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 13:
The number 66 fits into 200 3 times, leaving a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 1243.03030303
The remainder is 2 after subtracting 198 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

In conclusion, the division gives 1243.03030303 with a balance of 2e-09.