A parallelogram of wheat field has a base of 250 meters and a height of 120 meters. According to the yield of 40 tons of wheat per hectare, how many tons of wheat can be harvested from this field?
一块平行四边形的麦地，底是250米，高是120米．按每公顷产小麦40吨，这块地能收获多少吨小麦？
<gadget id="calculator">120 / 10_000</gadget>
<output>3/250 = around 0.012</output>

<gadget id="calculator">40 * 250 * (3/250)</gadget>
<output>120</output>

<result>120</result>