Are those 40lb bags? If so it 360lbs and just about right! If they are 20lb bags, their math is off!
Ok! 'Splain to me what's the point in trying to break your Memphis? You ain't never gonna load that much on those shelves ever! Just say "Badda Book, Badda Bing."
Good point! The old adage applies: "Don't try this at home."