rectangular nursery is 2 kilometers long from east to west and 80 meters long from north to south. How many hectares does this nursery have?
一个长方形苗圃东西长是2千米，南北长是80米，这个苗圃的面积有多少公顷？
<gadget id="calculator">80 / 10_000</gadget>
<output>1/125 = around 0.008</output>

<gadget id="calculator">2 * 1_000 * (1/125)</gadget>
<output>16</output>

<result>16</result>