A triangular field with a base length of 120 meters and a height of 80 meters. Rapeseed is planted in this field, and a total of 2,400 kilograms of rapeseed is harvested. How many kilograms of rapeseed are harvested on average per hectare?
一块三角形田，底长120米，高80米．在这块田种上油菜，共收油菜籽2400千克，平均每公顷收油菜籽多少千克？
<gadget id="calculator">80 / 2 / 10_000</gadget>
<output>1/250 = around 0.004</output>

<gadget id="calculator">120 * (1/250)</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">2_400 / (12/25)</gadget>
<output>5_000</output>

<result>5_000</result>