We look at the division of 28721225 by 309 
We want to figure out the number of times 28721225 can be divided by 309.

Moving on to step 1:
The number 309 fits into 2 0 times, leaving a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Fetch the next digit (8) from the dividend, attach it to 2 and continue: 28 / 309

Step 2:
If we divide 28 by 309, we get 0 and a remainder of 28.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 28, we end up with 28.
Append the next digit (7) from the dividend to 28 and continue with: 287 / 309

Moving on to step 3:
287 divided by 309 is 0 with a remainder of 287.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 287, we end up with 287.
Fetch the next digit (2) from the dividend, attach it to 287 and continue: 2872 / 309

Step 4:
If we divide 2872 by 309, we get 9 and a remainder of 91.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Subtracting 2781 from 2872 leaves us with 91.
Grab the next digit (1) from the dividend, add it to 91, then carry on: 911 / 309

Let's proceed to step 5:
If we divide 911 by 309, we get 2 and a remainder of 293.
The number 2 becomes the next digit in our result. 
Result so far: 92.0
The remainder is 293 after subtracting 618 from 911.
Bring next digit (2) of the dividend behind the 293 and repeat the process: 2932 / 309

Moving on to step 6:
2932 divided by 309 is 9 with a remainder of 151.
Write down 9 as next digit of the result. 
Result so far: 929.0
If we subtract 2781 from 2932, we get 151.
Fetch the next digit (2) from the dividend, attach it to 151 and continue: 1512 / 309

On to step 7:
309 can be fit into 1512 4 times, resulting in a remainder of 276.
The number 4 becomes the next digit in our result. 
Result so far: 9294.0
If we take 1236 away from 1512, we end up with 276.
Grab the next digit (5) from the dividend, add it to 276, then carry on: 2765 / 309

Going ahead to step 8:
309 can be fit into 2765 8 times, resulting in a remainder of 293.
The next digit of our result is 8. 
Result so far: 92948.0
Deduct 2472 from 2765 and we're left with 293.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2930, and continue the process.

Advancing to step 9:
When dividing 2930 by 309, we get 9 with a remainder of 149.
The next digit of our result is 9. 
Result so far: 92948.9
Subtracting 2781 from 2930 leaves us with 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1490, and continue the process.

Moving on to step 10:
1490 divided by 309 is 4 with a remainder of 254.
Use 4 as the next digit of our solution. 
Result so far: 92948.94
The remainder is 254 after subtracting 1236 from 1490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2540, and continue the process.

Moving on to step 11:
The number 309 fits into 2540 8 times, leaving a remainder of 68.
Put 8 as the next digit of the answer. 
Result so far: 92948.948
Deduct 2472 from 2540 and we're left with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

On to step 12:
309 goes into 680 2 times with a remainder of 62.
Use 2 as the next digit of our solution. 
Result so far: 92948.9482
If we subtract 618 from 680, we get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Going ahead to step 13:
When dividing 620 by 309, we get 2 with a remainder of 2.
Record the quotient 2 as the next digit in the result. 
Result so far: 92948.94822
The remainder is 2 after subtracting 618 from 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

After the division, we end up with 92948.94822 and a remainder of 2e-06.