Log 8 base 4+log 32 base 4 -log 2 base 4

log (8*32/2) = log (4*16*2) = log (4^3 *2) = 3 log 4 + log 2

but if base 4 then log 4 = 1
so 3 + log 2 base 4
but 4^log 2 = 2
so log 2 = 1/2
3 1/2