A rectangular nursery is 75 meters long and 200 meters wide, what is the area in hectares?
一块长方形的苗圃长75米，宽200米，面积是多少公顷．
<gadget id="calculator">75 * 200</gadget>
<output>15_000</output>

<gadget id="calculator">15_000 / 10_000</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>