The area of a parallelogram is 16 square decimeters, its height is 8 cm, and its base is in cm.
一个平行四边形的面积是16平方分米，它的高是8厘米，它的底是多少厘米．
<gadget id="calculator">16 * 100</gadget>
<output>1_600</output>

<gadget id="calculator">1_600 / 8</gadget>
<output>200</output>

<result>200</result>