21880 ÷ 9 = 2431 R1
No problem, we've got 21880 and 9 for the division.

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 (1) of the dividend behind the 2 and repeat the process: 21 / 9

Step 2:
9 goes into 21 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 18 from 21 to get 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 9

Step 3:
9 goes into 38 4 times with a remainder of 2.
Write down 4 as next digit of of the result. 
Result so far: 24
Subtract 36 from 38 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 9

Step 4:
9 goes into 28 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 243
Subtract 27 from 28 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 9

Step 5:
9 goes into 10 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 2431
Subtract 9 from 10 to get 1.

The final result is 2431 with a remainder of 1.