The surface area of a rectangular prism with length l, width w, and height h is 2lw+2wh+2lh. Reba painted a box shaped like a rectangular prism for her little sister to use as a treasure box. The treasure box is 12 inches long, 5 inches wide, and 4 inches high. What is the surface area of the treasure box? Write your answer as a whole number or decimal. square inches
