Evaluate each logarithm.

log^2(subscript)36^3

log_2(36)^3 = 3log_2(36) = 3(2+log_2(9)) = 6+6log_2(3)

Not sure where you want to go from there.

Now, if you meant log(32), that is 5, so
log_2(32^3) would be 15.