rectangle and a square have the same area. The length of the rectangle is 240 meters and the width is 60 meters. What is the area of the square in square meters?
一个长方形和一个正方形的面积相等，长方形的长是240米，宽是60米，正方形的面积是多少平方米？
<gadget id="calculator">240 * 60</gadget>
<output>14_400</output>

<result>14_400</result>