The area of a parallelogram is 100 square centimeters, the base is 25 centimeters, and the height is in centimeters.
平行四边形的面积是100平方厘米，底是25厘米，高多少厘米．
<gadget id="calculator">100 / 25</gadget>
<output>4</output>

<result>4</result>