A piece of parallelogram land has a base length of 250 meters and a height of 80 meters. What is the area of the land in hectares?
一块平行四边形土地，底长250米，高80米，这块土地的面积是多少公顷．
<gadget id="calculator">250 * 80</gadget>
<output>20_000</output>

<gadget id="calculator">20_000 / 10_000</gadget>
<output>2</output>

<result>2</result>