A piece of parallelogram land has a base length of 3000 meters and a height of 200 meters. What is the area of the land in hectares?
一块平行四边形地，底长3000米，高200米，这块土地的面积是多少公顷．
<gadget id="calculator">3_000 * 200</gadget>
<output>600_000</output>

<gadget id="calculator">600_000 / 10_000</gadget>
<output>60</output>

<result>60</result>