9099 ÷ 8 = 1137 R3
Let's divide 9099 by 8.

Step 1:
8 goes into 9 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 8 from 9 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 8

Step 2:
8 goes into 10 1 times with a remainder of 2.
Write down 1 as next digit of of the result. 
Result so far: 11
Subtract 8 from 10 to get 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 8

Step 3:
8 goes into 29 3 times with a remainder of 5.
Write down 3 as next digit of of the result. 
Result so far: 113
Subtract 24 from 29 to get 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 8

Step 4:
8 goes into 59 7 times with a remainder of 3.
Write down 7 as next digit of of the result. 
Result so far: 1137
Subtract 56 from 59 to get 3.

The final result is 1137 with a remainder of 3.