Rice is planted in a parallelogram experimental field with a base of 250 meters and a height of 60 meters, and a total of 23.4 tons of rice is harvested. How many tons of rice are harvested per hectare on average?
在一个底边是250米，高60米的平行四边形实验田里种稻谷，一共收稻谷23.4吨，平均每公顷收稻谷多少吨？
<gadget id="calculator">80 / 10_000</gadget>
<output>1/125 = around 0.008</output>

<gadget id="calculator">250 * (1/125)</gadget>
<output>2</output>

<gadget id="calculator">23.4 / 2</gadget>
<output>11.7</output>

<result>11.7</result>