square cornfield has a side length of 300 meters and a total of 54,000 kilograms of corn is harvested. How many kilograms of corn are produced per hectare on average?
一块正方形玉米地，边长是300米，共收玉米54000千克，平均每公顷产玉米多少千克？
<gadget id="calculator">300 / 10_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">300 * (3/100)</gadget>
<output>9</output>

<gadget id="calculator">54_000 / 9</gadget>
<output>6_000</output>

<result>6_000</result>