When wrapping a birthday gift in the shape of a rectangular prism for his mother,Kenji adds an additional 2.5 square...

When wrapping a birthday gift in the shape of a rectangular prism for his mother,Kenji adds an additional 2.5 square feet of gift wrap to allow for overlap.How many square feet of gift wrap will Kenji use to wrap a gift 3.5 feet long,18 inches wide and 2 feet high?