Let's divide 280521 by 9
We want to figure out the number of times 280521 can be divided by 9.

Let's proceed to step 1:
The number 9 fits into 2 0 times, leaving a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 9

Going ahead to step 2:
The number 9 fits into 28 3 times, leaving a remainder of 1.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we subtract 27 from 28, we get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 9

Going ahead to step 3:
9 goes into 10 1 times with a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 31.0
Subtract 9 from 10 to get 1.
Take the next digit (5) from the dividend and append it to 1, then repeat: 15 / 9

On to step 4:
When dividing 15 by 9, we get 1 with a remainder of 6.
Use 1 as the next digit of our solution. 
Result so far: 311.0
Subtracting 9 from 15 leaves us with 6.
Append the next digit (2) from the dividend to 6 and continue with: 62 / 9

Step 5:
9 can be fit into 62 6 times, resulting in a remainder of 8.
Record the quotient 6 as the next digit in the result. 
Result so far: 3116.0
Deduct 54 from 62 and we're left with 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 9

Step 6:
If we divide 81 by 9, we get 9 and a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 31169.0
If we subtract 81 from 81, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 7:
The number 9 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 31169.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 8:
9 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 31169.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 31169.0 with a balance of 0.0.