We look at the division of 81210298 by 758 
The aim is to understand the frequency of 758 in 81210298.

Let's proceed to step 1:
758 can be fit into 8 0 times, resulting in a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 758

On to step 2:
758 goes into 81 0 times with a remainder of 81.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Include the next digit (2) from the dividend after 81, then repeat: 812 / 758

Advancing to step 3:
If we divide 812 by 758, we get 1 and a remainder of 54.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 758 from 812, we get 54.
Take the next digit (1) from the dividend and append it to 54, then repeat: 541 / 758

Going ahead to step 4:
The number 758 fits into 541 0 times, leaving a remainder of 541.
The next digit of our result is 0. 
Result so far: 10.0
Deduct 0 from 541 and we're left with 541.
Bring next digit (0) of the dividend behind the 541 and repeat the process: 5410 / 758

Moving on to step 5:
758 goes into 5410 7 times with a remainder of 104.
The next digit of our result is 7. 
Result so far: 107.0
Subtracting 5306 from 5410 leaves us with 104.
Bring next digit (2) of the dividend behind the 104 and repeat the process: 1042 / 758

Let's proceed to step 6:
758 goes into 1042 1 times with a remainder of 284.
The next digit of our result is 1. 
Result so far: 1071.0
Subtracting 758 from 1042 leaves us with 284.
Append the next digit (9) from the dividend to 284 and continue with: 2849 / 758

On to step 7:
2849 divided by 758 is 3 with a remainder of 575.
Put 3 as the next digit of the answer. 
Result so far: 10713.0
The remainder is 575 after subtracting 2274 from 2849.
Bring next digit (8) of the dividend behind the 575 and repeat the process: 5758 / 758

On to step 8:
758 goes into 5758 7 times with a remainder of 452.
Put 7 as the next digit of the answer. 
Result so far: 107137.0
If we subtract 5306 from 5758, we get 452.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4520, and continue the process.

On to step 9:
4520 divided by 758 is 5 with a remainder of 730.
Put 5 as the next digit of the answer. 
Result so far: 107137.5
Subtracting 3790 from 4520 leaves us with 730.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7300, and continue the process.

Moving on to step 10:
If we divide 7300 by 758, we get 9 and a remainder of 478.
Use 9 as the next digit of our solution. 
Result so far: 107137.59
Deduct 6822 from 7300 and we're left with 478.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4780, and continue the process.

On to step 11:
4780 divided by 758 is 6 with a remainder of 232.
Write down 6 as next digit of the result. 
Result so far: 107137.596
Subtracting 4548 from 4780 leaves us with 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

Moving on to step 12:
The number 758 fits into 2320 3 times, leaving a remainder of 46.
Put 3 as the next digit of the answer. 
Result so far: 107137.5963
The remainder is 46 after subtracting 2274 from 2320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Moving on to step 13:
The number 758 fits into 460 0 times, leaving a remainder of 460.
Put 0 as the next digit of the answer. 
Result so far: 107137.5963
If we take 0 away from 460, we end up with 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

Going ahead to step 14:
If we divide 4600 by 758, we get 6 and a remainder of 52.
The number 6 becomes the next digit in our result. 
Result so far: 107137.596306
Subtract 4548 from 4600 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Let's proceed to step 15:
758 can be fit into 520 0 times, resulting in a remainder of 520.
The next digit of our result is 0. 
Result so far: 107137.596306
If we subtract 0 from 520, we get 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Going ahead to step 16:
5200 divided by 758 is 6 with a remainder of 652.
Use 6 as the next digit of our solution. 
Result so far: 107137.59630606
Deduct 4548 from 5200 and we're left with 652.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6520, and continue the process.

After the division, we end up with 107137.59630606 and a remainder of 6.52e-07.