The area of a parallelogram is 3.5dm**2, the base is 1.4dm, what is its height in dm.
一个平行四边形的面积是3.5dm**2，底是1.4dm，它的高是多少dm．
<gadget id="calculator">3.5 / 1.4</gadget>
<output>2.5</output>

<result>2.5</result>