28992 ÷ 9 = 3221 R3
Let's divide 28992 by 9.

Step 1:
9 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 2 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 9

Step 2:
9 goes into 28 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 3
Subtract 27 from 28 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 9

Step 3:
9 goes into 19 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 32
Subtract 18 from 19 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 9

Step 4:
9 goes into 19 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 322
Subtract 18 from 19 to get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 9

Step 5:
9 goes into 12 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 3221
Subtract 9 from 12 to get 3.

The final result is 3221 with a remainder of 3.