We're dividing 78819014 by 357 
The aim is to understand the frequency of 357 in 78819014.

Advancing to step 1:
When dividing 7 by 357, we get 0 with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 357

Step 2:
The number 357 fits into 78 0 times, leaving a remainder of 78.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 78 to get 78.
Include the next digit (8) from the dividend after 78, then repeat: 788 / 357

On to step 3:
788 divided by 357 is 2 with a remainder of 74.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we subtract 714 from 788, we get 74.
Grab the next digit (1) from the dividend, add it to 74, then carry on: 741 / 357

Advancing to step 4:
357 can be fit into 741 2 times, resulting in a remainder of 27.
Use 2 as the next digit of our solution. 
Result so far: 22.0
If we subtract 714 from 741, we get 27.
Take the next digit (9) from the dividend and append it to 27, then repeat: 279 / 357

On to step 5:
279 divided by 357 is 0 with a remainder of 279.
The next digit of our result is 0. 
Result so far: 220.0
The remainder is 279 after subtracting 0 from 279.
Include the next digit (0) from the dividend after 279, then repeat: 2790 / 357

Moving on to step 6:
The number 357 fits into 2790 7 times, leaving a remainder of 291.
Write down 7 as next digit of the result. 
Result so far: 2207.0
Subtracting 2499 from 2790 leaves us with 291.
Fetch the next digit (1) from the dividend, attach it to 291 and continue: 2911 / 357

Step 7:
357 can be fit into 2911 8 times, resulting in a remainder of 55.
The number 8 becomes the next digit in our result. 
Result so far: 22078.0
If we subtract 2856 from 2911, we get 55.
Append the next digit (4) from the dividend to 55 and continue with: 554 / 357

Step 8:
When dividing 554 by 357, we get 1 with a remainder of 197.
The next digit of our result is 1. 
Result so far: 220781.0
Subtracting 357 from 554 leaves us with 197.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1970, and continue the process.

Moving on to step 9:
When dividing 1970 by 357, we get 5 with a remainder of 185.
The next digit of our result is 5. 
Result so far: 220781.5
Subtracting 1785 from 1970 leaves us with 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

Let's proceed to step 10:
357 can be fit into 1850 5 times, resulting in a remainder of 65.
Use 5 as the next digit of our solution. 
Result so far: 220781.55
Subtract 1785 from 1850 to get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

The final outcome is 220781.55, with a leftover of 0.065.