The area of the rectangle is 720 square centimeters and its base is 36 centimeters. The base of a parallelogram with the same height as it is 25 cm, what is the area of the parallelogram?
长方形的面积是720平方厘米，它的底是36厘米．和它同高的平行四边形的底是25厘米，平行四边形的面积是多少？
<gadget id="calculator">720 / 36</gadget>
<output>20</output>

<gadget id="calculator">20 * 25</gadget>
<output>500</output>

<result>500</result>