We're dividing 734978 by 66 
The aim is to understand the frequency of 66 in 734978.

Going ahead to step 1:
66 goes into 7 0 times with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Grab the next digit (3) from the dividend, add it to 7, then carry on: 73 / 66

Going ahead to step 2:
When dividing 73 by 66, we get 1 with a remainder of 7.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 66 from 73 leaves us with 7.
Fetch the next digit (4) from the dividend, attach it to 7 and continue: 74 / 66

Going ahead to step 3:
66 can be fit into 74 1 times, resulting in a remainder of 8.
Write down 1 as next digit of the result. 
Result so far: 11.0
The remainder is 8 after subtracting 66 from 74.
Append the next digit (9) from the dividend to 8 and continue with: 89 / 66

Step 4:
66 can be fit into 89 1 times, resulting in a remainder of 23.
Record the quotient 1 as the next digit in the result. 
Result so far: 111.0
Deduct 66 from 89 and we're left with 23.
Include the next digit (7) from the dividend after 23, then repeat: 237 / 66

Going ahead to step 5:
237 divided by 66 is 3 with a remainder of 39.
Record the quotient 3 as the next digit in the result. 
Result so far: 1113.0
If we subtract 198 from 237, we get 39.
Fetch the next digit (8) from the dividend, attach it to 39 and continue: 398 / 66

Going ahead to step 6:
When dividing 398 by 66, we get 6 with a remainder of 2.
The number 6 becomes the next digit in our result. 
Result so far: 11136.0
Subtract 396 from 398 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.

Advancing to step 7:
66 can be fit into 20 0 times, resulting in a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 11136.0
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.

On to step 8:
When dividing 200 by 66, we get 3 with a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 11136.03
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 9:
When dividing 20 by 66, we get 0 with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 11136.03
If we take 0 away from 20, we end up 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.

Let's proceed to step 10:
When dividing 200 by 66, we get 3 with a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 11136.0303
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.

Let's proceed to step 11:
If we divide 20 by 66, we get 0 and a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 11136.0303
If we take 0 away from 20, we end up 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 12:
200 divided by 66 is 3 with a remainder of 2.
Put 3 as the next digit of the answer. 
Result so far: 11136.030303
If we subtract 198 from 200, 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.

Going ahead to step 13:
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: 11136.030303
If we take 0 away from 20, we end up 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.

On to step 14:
66 goes into 200 3 times with a remainder of 2.
Put 3 as the next digit of the answer. 
Result so far: 11136.03030303
Deduct 198 from 200 and we're left 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.

After the division, we end up with 11136.03030303 and a remainder of 2e-09.