The upper base of a trapezoidal orchard is 65 meters long, the lower base is 80 meters long, and the height is 60 meters. A total of 1,740 fruit trees are planted. How many square meters does each fruit tree occupy on average?
一个梯形果园的上底长65米，下底长80米，高是60米，共种了1740棵果树，平均每棵果树占地多少平方米？
<gadget id="calculator">65 + 80</gadget>
<output>145</output>

<gadget id="calculator">60 / 2 / 1_740</gadget>
<output>1/58 = around 0.017241</output>

<gadget id="calculator">145 * (1/58)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>