We look at the division of 13335037 by 354 
The aim is to understand the frequency of 354 in 13335037.

Going ahead to step 1:
354 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 354

Step 2:
354 goes into 13 0 times with a remainder of 13.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 13, we get 13.
Bring next digit (3) of the dividend behind the 13 and repeat the process: 133 / 354

On to step 3:
133 divided by 354 is 0 with a remainder of 133.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 133 and we're left with 133.
Include the next digit (3) from the dividend after 133, then repeat: 1333 / 354

Let's proceed to step 4:
The number 354 fits into 1333 3 times, leaving a remainder of 271.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtract 1062 from 1333 to get 271.
Take the next digit (5) from the dividend and append it to 271, then repeat: 2715 / 354

Advancing to step 5:
354 can be fit into 2715 7 times, resulting in a remainder of 237.
Record the quotient 7 as the next digit in the result. 
Result so far: 37.0
If we subtract 2478 from 2715, we get 237.
Append the next digit (0) from the dividend to 237 and continue with: 2370 / 354

Let's proceed to step 6:
If we divide 2370 by 354, we get 6 and a remainder of 246.
Put 6 as the next digit of the answer. 
Result so far: 376.0
The remainder is 246 after subtracting 2124 from 2370.
Fetch the next digit (3) from the dividend, attach it to 246 and continue: 2463 / 354

Advancing to step 7:
2463 divided by 354 is 6 with a remainder of 339.
The number 6 becomes the next digit in our result. 
Result so far: 3766.0
If we subtract 2124 from 2463, we get 339.
Fetch the next digit (7) from the dividend, attach it to 339 and continue: 3397 / 354

Let's proceed to step 8:
The number 354 fits into 3397 9 times, leaving a remainder of 211.
Put 9 as the next digit of the answer. 
Result so far: 37669.0
Subtracting 3186 from 3397 leaves us with 211.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2110, and continue the process.

Step 9:
354 can be fit into 2110 5 times, resulting in a remainder of 340.
The next digit of our result is 5. 
Result so far: 37669.5
Deduct 1770 from 2110 and we're left with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Step 10:
354 can be fit into 3400 9 times, resulting in a remainder of 214.
Use 9 as the next digit of our solution. 
Result so far: 37669.59
If we take 3186 away from 3400, we end up with 214.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2140, and continue the process.

Advancing to step 11:
2140 divided by 354 is 6 with a remainder of 16.
The number 6 becomes the next digit in our result. 
Result so far: 37669.596
Deduct 2124 from 2140 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 12:
When dividing 160 by 354, we get 0 with a remainder of 160.
The next digit of our result is 0. 
Result so far: 37669.596
Subtracting 0 from 160 leaves us with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Step 13:
When dividing 1600 by 354, we get 4 with a remainder of 184.
Use 4 as the next digit of our solution. 
Result so far: 37669.59604
Deduct 1416 from 1600 and we're left with 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Going ahead to step 14:
The number 354 fits into 1840 5 times, leaving a remainder of 70.
Write down 5 as next digit of the result. 
Result so far: 37669.596045
If we subtract 1770 from 1840, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 15:
354 goes into 700 1 times with a remainder of 346.
The next digit of our result is 1. 
Result so far: 37669.5960451
The remainder is 346 after subtracting 354 from 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3460, and continue the process.

Advancing to step 16:
354 can be fit into 3460 9 times, resulting in a remainder of 274.
Use 9 as the next digit of our solution. 
Result so far: 37669.59604519
If we take 3186 away from 3460, we end up with 274.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2740, and continue the process.

The quotient of the division is 37669.59604519, and the remainder is 2.74e-07.