A piece of land with a side length of 300 meters has a total of 36 tons of cabbage, how many tons per hectare on average?
一块边长300米的正方形土地，共收白菜36吨，平均每公顷收多少吨？
<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">36 / 9</gadget>
<output>4</output>

<result>4</result>