<s>[INST] The Canadian Department of National Defence (CDND) has a requirement that the volume of the proposed building be 18,000 m\({}^{3}\). The only two specific types of buildings considered have lengths (\(l\)) 60 m and 72 m. The width (\(w\)) can vary but the dimension should be multiples of 12. The height (\(h\)) is limited to a maximum of 20 m.[/INST]