We're dividing 13957532 by 507 
The aim is to understand the frequency of 507 in 13957532.

Moving on to step 1:
1 divided by 507 is 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Take the next digit (3) from the dividend and append it to 1, then repeat: 13 / 507

Advancing to step 2:
The number 507 fits into 13 0 times, leaving a remainder of 13.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 13 to get 13.
Bring next digit (9) of the dividend behind the 13 and repeat the process: 139 / 507

Step 3:
When dividing 139 by 507, we get 0 with a remainder of 139.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 139 leaves us with 139.
Append the next digit (5) from the dividend to 139 and continue with: 1395 / 507

Going ahead to step 4:
If we divide 1395 by 507, we get 2 and a remainder of 381.
The next digit of our result is 2. 
Result so far: 2.0
Subtracting 1014 from 1395 leaves us with 381.
Append the next digit (7) from the dividend to 381 and continue with: 3817 / 507

Going ahead to step 5:
The number 507 fits into 3817 7 times, leaving a remainder of 268.
The next digit of our result is 7. 
Result so far: 27.0
The remainder is 268 after subtracting 3549 from 3817.
Bring next digit (5) of the dividend behind the 268 and repeat the process: 2685 / 507

Going ahead to step 6:
507 can be fit into 2685 5 times, resulting in a remainder of 150.
Use 5 as the next digit of our solution. 
Result so far: 275.0
Subtracting 2535 from 2685 leaves us with 150.
Take the next digit (3) from the dividend and append it to 150, then repeat: 1503 / 507

Step 7:
507 goes into 1503 2 times with a remainder of 489.
The number 2 becomes the next digit in our result. 
Result so far: 2752.0
Deduct 1014 from 1503 and we're left with 489.
Take the next digit (2) from the dividend and append it to 489, then repeat: 4892 / 507

Moving on to step 8:
If we divide 4892 by 507, we get 9 and a remainder of 329.
Write down 9 as next digit of the result. 
Result so far: 27529.0
Subtracting 4563 from 4892 leaves us with 329.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3290, and continue the process.

Going ahead to step 9:
When dividing 3290 by 507, we get 6 with a remainder of 248.
Use 6 as the next digit of our solution. 
Result so far: 27529.6
Subtracting 3042 from 3290 leaves us with 248.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2480, and continue the process.

On to step 10:
If we divide 2480 by 507, we get 4 and a remainder of 452.
The number 4 becomes the next digit in our result. 
Result so far: 27529.64
Subtracting 2028 from 2480 leaves us with 452.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4520, and continue the process.

Going ahead to step 11:
507 goes into 4520 8 times with a remainder of 464.
Record the quotient 8 as the next digit in the result. 
Result so far: 27529.648
Deduct 4056 from 4520 and we're left with 464.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4640, and continue the process.

Going ahead to step 12:
507 goes into 4640 9 times with a remainder of 77.
The number 9 becomes the next digit in our result. 
Result so far: 27529.6489
Deduct 4563 from 4640 and we're left with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

Going ahead to step 13:
When dividing 770 by 507, we get 1 with a remainder of 263.
Write down 1 as next digit of the result. 
Result so far: 27529.64891
Subtracting 507 from 770 leaves us with 263.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

Advancing to step 14:
If we divide 2630 by 507, we get 5 and a remainder of 95.
The number 5 becomes the next digit in our result. 
Result so far: 27529.648915
If we subtract 2535 from 2630, we get 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Step 15:
507 can be fit into 950 1 times, resulting in a remainder of 443.
The number 1 becomes the next digit in our result. 
Result so far: 27529.6489151
If we take 507 away from 950, we end up with 443.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4430, and continue the process.

Step 16:
4430 divided by 507 is 8 with a remainder of 374.
Use 8 as the next digit of our solution. 
Result so far: 27529.64891518
If we subtract 4056 from 4430, we get 374.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3740, and continue the process.

The final outcome is 27529.64891518, with a leftover of 3.74e-07.