A rectangular orchard is 200 meters long and 50 meters wide. What is the area of the orchard in hectares?
一个长方形果园，长200米，宽50米，这个果园占地多少公顷．
<gadget id="calculator">200 * 50</gadget>
<output>10_000</output>

<gadget id="calculator">10_000 / 10_000</gadget>
<output>1</output>

<result>1</result>