"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
When I was very young, I tried selling used cars. It didn't last long. I guess that was my good luck too, that I didn't show more promise at it, or I might have been an automobile dealer.