80005 ÷ 9 = 8889 R4
We're going to perform division on 80005 with 9 as the divisor.

Step 1:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 8 to get 8.
Bring next digit (0) of the dividend behind the 8 and repeat the process: 80 / 9

Step 2:
9 goes into 80 8 times with a remainder of 8.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 80 to get 8.
Bring next digit (0) of the dividend behind the 8 and repeat the process: 80 / 9

Step 3:
9 goes into 80 8 times with a remainder of 8.
Write down 8 as next digit of of the result. 
Result so far: 88
Subtract 72 from 80 to get 8.
Bring next digit (0) of the dividend behind the 8 and repeat the process: 80 / 9

Step 4:
9 goes into 80 8 times with a remainder of 8.
Write down 8 as next digit of of the result. 
Result so far: 888
Subtract 72 from 80 to get 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 9

Step 5:
9 goes into 85 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 8889
Subtract 81 from 85 to get 4.

The final result is 8889 with a remainder of 4.