There is a trapezoidal orchard in Wangyuan Village. The upper base is 35 meters, the lower base is 45 meters, and the height is 100 meters. A total of 500 fruit trees are planted. How many square meters does each fruit tree occupy on average?
王元村有一个梯形果园，它的上底是35米，下底是45米，高是100米，共种500棵果树，平均每棵果树占地多少平方米？
<gadget id="calculator">35 + 45</gadget>
<output>80</output>

<gadget id="calculator">100 / 2 / 500</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">80 * (1/10)</gadget>
<output>8</output>

<result>8</result>