31136 ÷ 8 = 3892 R0
We're going to perform division on 31136 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 (1) of the dividend behind the 3 and repeat the process: 31 / 8

Step 2:
8 goes into 31 3 times with a remainder of 7.
Write down 3 as next digit of of the result. 
Result so far: 3
Subtract 24 from 31 to get 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 8

Step 3:
8 goes into 71 8 times with a remainder of 7.
Write down 8 as next digit of of the result. 
Result so far: 38
Subtract 64 from 71 to get 7.
Bring next digit (3) of the dividend behind the 7 and repeat the process: 73 / 8

Step 4:
8 goes into 73 9 times with a remainder of 1.
Write down 9 as next digit of of the result. 
Result so far: 389
Subtract 72 from 73 to get 1.
Bring next digit (6) of the dividend behind the 1 and repeat the process: 16 / 8

Step 5:
8 goes into 16 2 times with a remainder of 0.
Write down 2 as next digit of of the result. 
Result so far: 3892
Subtract 16 from 16 to get 0.

The final result is 3892 with a remainder of 0.