The area of a parallelogram is 13.5 square centimeters, the height is 1.5 centimeters, and the base is in centimeters.
一个平行四边形的面积是13.5平方厘米，高是1.5厘米，底是多少厘米．
<gadget id="calculator">13.5 / 1.5</gadget>
<output>9</output>

<result>9</result>