66230 ÷ 9 = 7358 R8
Alright, let's work through the division of 66230 by 9 step by step.

Step 1:
9 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 6 to get 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 9

Step 2:
9 goes into 66 7 times with a remainder of 3.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 63 from 66 to get 3.
Bring next digit (2) of the dividend behind the 3 and repeat the process: 32 / 9

Step 3:
9 goes into 32 3 times with a remainder of 5.
Write down 3 as next digit of of the result. 
Result so far: 73
Subtract 27 from 32 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 9

Step 4:
9 goes into 53 5 times with a remainder of 8.
Write down 5 as next digit of of the result. 
Result so far: 735
Subtract 45 from 53 to get 8.
Bring next digit (0) of the dividend behind the 8 and repeat the process: 80 / 9

Step 5:
9 goes into 80 8 times with a remainder of 8.
Write down 8 as next digit of of the result. 
Result so far: 7358
Subtract 72 from 80 to get 8.

The final result is 7358 with a remainder of 8.