We look at the division of 662520 by 3 
The aim is to understand the frequency of 3 in 662520.

Let's proceed to step 1:
If we divide 6 by 3, we get 2 and a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we take 6 away from 6, we end up with 0.
Append the next digit (6) from the dividend to 0 and continue with: 6 / 3

Let's proceed to step 2:
The number 3 fits into 6 2 times, leaving a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 22.0
The remainder is 0 after subtracting 6 from 6.
Append the next digit (2) from the dividend to 0 and continue with: 2 / 3

Advancing to step 3:
3 can be fit into 2 0 times, resulting in a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 220.0
If we subtract 0 from 2, we get 2.
Include the next digit (5) from the dividend after 2, then repeat: 25 / 3

Moving on to step 4:
3 goes into 25 8 times with a remainder of 1.
The number 8 becomes the next digit in our result. 
Result so far: 2208.0
If we subtract 24 from 25, we get 1.
Take the next digit (2) from the dividend and append it to 1, then repeat: 12 / 3

Step 5:
3 goes into 12 4 times with a remainder of 0.
Use 4 as the next digit of our solution. 
Result so far: 22084.0
Deduct 12 from 12 and we're left with 0.
Include the next digit (0) from the dividend after 0, then repeat: 0 / 3

Advancing to step 6:
If we divide 0 by 3, we get 0 and a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 220840.0
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.

Advancing to step 7:
3 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 220840.0
The remainder is 0 after subtracting 0 from 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 8:
If we divide 0 by 3, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 220840.0
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.

Our division results in 220840.0 with a remaining 0.0.