Sarah has a make your own candle set that includes a block of wax in the shape of a rectangular prism. The block of wax has a length of 8 inches, a width of 6 inches, and a height 3 inches. She wants to make 4 cylindrical candles called pillar candles. Each candle mold will have a diameter of three inches and a height of 6 inches. Does she have enough wax to make the pillar candles? If not, how many complete candles can she make