Let's divide 8507777 by 377
The aim is to understand the frequency of 377 in 8507777.

On to step 1:
The number 377 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 377

Let's proceed to step 2:
If we divide 85 by 377, we get 0 and a remainder of 85.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 85, we end up with 85.
Append the next digit (0) from the dividend to 85 and continue with: 850 / 377

Advancing to step 3:
377 goes into 850 2 times with a remainder of 96.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 754 from 850 leaves us with 96.
Include the next digit (7) from the dividend after 96, then repeat: 967 / 377

Step 4:
967 divided by 377 is 2 with a remainder of 213.
The next digit of our result is 2. 
Result so far: 22.0
Subtracting 754 from 967 leaves us with 213.
Bring next digit (7) of the dividend behind the 213 and repeat the process: 2137 / 377

On to step 5:
377 can be fit into 2137 5 times, resulting in a remainder of 252.
The next digit of our result is 5. 
Result so far: 225.0
If we subtract 1885 from 2137, we get 252.
Take the next digit (7) from the dividend and append it to 252, then repeat: 2527 / 377

Step 6:
2527 divided by 377 is 6 with a remainder of 265.
Put 6 as the next digit of the answer. 
Result so far: 2256.0
Subtracting 2262 from 2527 leaves us with 265.
Bring next digit (7) of the dividend behind the 265 and repeat the process: 2657 / 377

Moving on to step 7:
If we divide 2657 by 377, we get 7 and a remainder of 18.
The number 7 becomes the next digit in our result. 
Result so far: 22567.0
The remainder is 18 after subtracting 2639 from 2657.
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 8:
377 goes into 180 0 times with a remainder of 180.
Write down 0 as next digit of the result. 
Result so far: 22567.0
Subtracting 0 from 180 leaves us with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Going ahead to step 9:
377 goes into 1800 4 times with a remainder of 292.
The number 4 becomes the next digit in our result. 
Result so far: 22567.04
If we subtract 1508 from 1800, we get 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

On to step 10:
377 goes into 2920 7 times with a remainder of 281.
Use 7 as the next digit of our solution. 
Result so far: 22567.047
Subtracting 2639 from 2920 leaves us with 281.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2810, and continue the process.

Step 11:
2810 divided by 377 is 7 with a remainder of 171.
The number 7 becomes the next digit in our result. 
Result so far: 22567.0477
Subtract 2639 from 2810 to get 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

The final result is 22567.0477 with a remainder of 0.00171.