The area of a rectangular orchard is 0.08 hectares, the spacing between the trees is 4 meters, and the row spacing is 5 meters. If each fruit tree harvests 400 kilograms of fruit on average, how many tons of fruit can this orchard harvest?
一个长方形果园的面积是0.08公顷，果树的株距是4米，行距是5米，如果平均每棵果树收果实400千克，这个果园可以收果实多少吨？
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">10_000 / 20</gadget>
<output>500</output>

<gadget id="calculator">400 / 1_000</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">0.08 * 500 * (2/5)</gadget>
<output>16</output>

<result>16</result>