We look at the division of 11721780 by 78 
The aim is to understand the frequency of 78 in 11721780.

Moving on to step 1:
78 can be fit into 1 0 times, resulting in a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Append the next digit (1) from the dividend to 1 and continue with: 11 / 78

Advancing to step 2:
78 can be fit into 11 0 times, resulting in a remainder of 11.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 11 after subtracting 0 from 11.
Append the next digit (7) from the dividend to 11 and continue with: 117 / 78

Step 3:
78 can be fit into 117 1 times, resulting in a remainder of 39.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 78 from 117 and we're left with 39.
Fetch the next digit (2) from the dividend, attach it to 39 and continue: 392 / 78

Let's proceed to step 4:
If we divide 392 by 78, we get 5 and a remainder of 2.
Write down 5 as next digit of the result. 
Result so far: 15.0
Deduct 390 from 392 and we're left with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 78

Advancing to step 5:
21 divided by 78 is 0 with a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 150.0
The remainder is 21 after subtracting 0 from 21.
Include the next digit (7) from the dividend after 21, then repeat: 217 / 78

Step 6:
78 can be fit into 217 2 times, resulting in a remainder of 61.
Record the quotient 2 as the next digit in the result. 
Result so far: 1502.0
If we subtract 156 from 217, we get 61.
Append the next digit (8) from the dividend to 61 and continue with: 618 / 78

Advancing to step 7:
If we divide 618 by 78, we get 7 and a remainder of 72.
Use 7 as the next digit of our solution. 
Result so far: 15027.0
The remainder is 72 after subtracting 546 from 618.
Fetch the next digit (0) from the dividend, attach it to 72 and continue: 720 / 78

Let's proceed to step 8:
When dividing 720 by 78, we get 9 with a remainder of 18.
Record the quotient 9 as the next digit in the result. 
Result so far: 150279.0
If we take 702 away from 720, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 9:
78 can be fit into 180 2 times, resulting in a remainder of 24.
Put 2 as the next digit of the answer. 
Result so far: 150279.2
If we subtract 156 from 180, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 10:
78 can be fit into 240 3 times, resulting in a remainder of 6.
The next digit of our result is 3. 
Result so far: 150279.23
Subtract 234 from 240 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Step 11:
If we divide 60 by 78, we get 0 and a remainder of 60.
Use 0 as the next digit of our solution. 
Result so far: 150279.23
Deduct 0 from 60 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 12:
When dividing 600 by 78, we get 7 with a remainder of 54.
Use 7 as the next digit of our solution. 
Result so far: 150279.2307
Subtracting 546 from 600 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Advancing to step 13:
540 divided by 78 is 6 with a remainder of 72.
Use 6 as the next digit of our solution. 
Result so far: 150279.23076
Subtract 468 from 540 to get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Going ahead to step 14:
78 goes into 720 9 times with a remainder of 18.
Write down 9 as next digit of the result. 
Result so far: 150279.230769
Subtracting 702 from 720 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Moving on to step 15:
If we divide 180 by 78, we get 2 and a remainder of 24.
Record the quotient 2 as the next digit in the result. 
Result so far: 150279.2307692
The remainder is 24 after subtracting 156 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Let's proceed to step 16:
78 can be fit into 240 3 times, resulting in a remainder of 6.
Record the quotient 3 as the next digit in the result. 
Result so far: 150279.23076923
Deduct 234 from 240 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

The final result is 150279.23076923 with a remainder of 6e-09.