[(3⁴-2³×10):6⁰+5¹²:25⁶×5]×2³=
=[(81-8×10):1+5¹²:(5²)⁶×5]×8=
=[(81-80):1+5¹²:5¹²×5]:8=
=(1:1+1×5)×8=
=(1+5)×8=
=6×8=48
