The area of a parallelogram is 216 square centimeters, the height is 9 centimeters, and the base is in centimeters.
一个平行四边形的面积是216平方厘米，高是9厘米，底是多少厘米．
<gadget id="calculator">216 / 9</gadget>
<output>24</output>

<result>24</result>