A parallelogram cornfield has a base of 120 meters and a height of 50 meters, and a total of 5.4 tons of corn is harvested. How many tons of corn can be harvested per hectare?
一块平行四边形玉米地，底是120米，高是50米，共收获玉米5.4吨．一公顷可收获玉米多少吨？
<gadget id="calculator">50 / 10_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">120 * (1/200)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5.4 / (3/5)</gadget>
<output>9</output>

<result>9</result>