30155 ÷ 8 = 3769 R3
We're going to perform division on 30155 with 8 as the divisor.

Step 1:
8 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 3 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 8

Step 2:
8 goes into 30 3 times with a remainder of 6.
Write down 3 as next digit of of the result. 
Result so far: 3
Subtract 24 from 30 to get 6.
Bring next digit (1) of the dividend behind the 6 and repeat the process: 61 / 8

Step 3:
8 goes into 61 7 times with a remainder of 5.
Write down 7 as next digit of of the result. 
Result so far: 37
Subtract 56 from 61 to get 5.
Bring next digit (5) of the dividend behind the 5 and repeat the process: 55 / 8

Step 4:
8 goes into 55 6 times with a remainder of 7.
Write down 6 as next digit of of the result. 
Result so far: 376
Subtract 48 from 55 to get 7.
Bring next digit (5) of the dividend behind the 7 and repeat the process: 75 / 8

Step 5:
8 goes into 75 9 times with a remainder of 3.
Write down 9 as next digit of of the result. 
Result so far: 3769
Subtract 72 from 75 to get 3.

The final result is 3769 with a remainder of 3.