doubleMe x = x + x

doubleUs x y = doubleMe x + doubleMe y

doubleSmallNumber x = if x > 100
                      then x
                      else x*2

doubleSmallNumber' x = (if x > 100 then x else x*2) + 1

setBuilding = [x*2 | x <- [1.10], x*2 >= 12]