A rectangular paddy field is 250 meters long and 200 meters wide. It can harvest 7 tons of rice per hectare. How many tons of rice can be harvested in this paddy field?
一块长方形稻田，长250米，宽200米，每公顷可以收稻子7吨，这块稻田一共可以收稻子多少吨？
<gadget id="calculator">200 / 10_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">250 * (1/50) * 7</gadget>
<output>35</output>

<result>35</result>