The side length of a square orchard is 400 meters. If 15 tons of apples are harvested per hectare, how many tons of apples can this orchard harvest in total?
一个正方形果园边长是400米，如果每公顷收15吨苹果，这个果园一共可以收多少吨苹果？
<gadget id="calculator">400 / 10_000</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">400 * (1/25) * 15</gadget>
<output>240</output>

<result>240</result>