The school builds the largest square garden on an open space with a length of 25 meters and a width of 16 meters. What is the area of the garden?
学校在一块长25米，宽16米空地上做一个最大的正方形花园，这个花园的面积是多少？
<gadget id="calculator">16 * 16</gadget>
<output>256</output>

<result>256</result>