Very simple:
10011110
1st Octet Value = 128
2nd Octet Value = 0 (64)
3rd Octet Value = 0 (32)
4th Octet Value = 16
5th Octet Value = 8
6th Octet Value = 4
7th Octet Value = 2
8th Octet Value = 0 (1)
so we add 128+16+8+4+2=158 and there is your Answer