The length of a rectangular field is 80 meters and the width is 150 meters. If 2 kilograms of rice is harvested per square meter, how many tons of rice can be harvested on this field?
一块长方形地的长是80米，宽是150米，如果每平方米收稻谷2千克，那么这块地可以收稻谷多少吨？
<gadget id="calculator">2 / 1_000</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">80 * 150 * (1/500)</gadget>
<output>24</output>

<result>24</result>