A rectangular fish farm with an area of 6 hectares is 300 meters long and how many meters wide is it?
面积为6公顷的长方形鱼场，长是300米，宽是多少米？
<gadget id="calculator">6 * 10_000</gadget>
<output>60_000</output>

<gadget id="calculator">60_000 / 300</gadget>
<output>200</output>

<result>200</result>