A rectangular wheat field is 500 meters long and 400 meters wide. If an average of 12 tons of wheat is harvested per hectare, how many tons of wheat can be harvested in this wheat field?
一块长方形的小麦地，长500米，宽400米．如果每公顷平均收小麦12吨，这块小麦地能收小麦多少吨？
<gadget id="calculator">400 / 10_000</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">12 * 500 * (1/25)</gadget>
<output>240</output>

<result>240</result>