The school holds a large-scale cultural performance. Students in the flower team stand in 16 rows, with 16 people in each row. It is planned that each person will take 2 bouquets of flowers. How many bouquets of flowers should the school prepare at least?
学校举行大型文娱演出，鲜花方队同学站了16排，每排16人，计划每人拿2束鲜花，学校至少要准备多少束鲜花？
<gadget id="calculator">16 * 16 * 2</gadget>
<output>512</output>

<result>512</result>