The area of a parallelogram is 5.6 square centimeters, the height is 2 centimeters, and the base is in centimeters.
一个平行四边形的面积是5.6平方厘米，高是2厘米，底是多少厘米．
<gadget id="calculator">5.6 / 2</gadget>
<output>2.8</output>

<result>2.8</result>