 
<translate> Mary na-akpụ mosaic maka mgbidi ụlọ nri ụlọ akwụkwọ ya. Ọ ga-adị mita 10 n'ịdị elu na mita 15 n'ogologo. Ngwongwo ọ bụla ọ na-eji bụ 1 inch square. Mkpụrụ osisi ole ka ọ ga-achọ? Azịza ya bụ 21600 <eng> Mary is building a mosaic for her school cafeteria's wall. It will be 10 feet tall and 15 feet long. Each tile she uses is 1 inch square. How many tiles will she need?
The answer is 21600 