Mingming's family has a trapezoidal orchard, the upper base is 40 meters, the lower base is 70 meters, and the height is 50 meters. If each fruit tree covers an area of 2 square meters and produces 260 kilograms of fruit per year, how many tons of fruit can Mingming's orchard produce per year?
明明家有一个梯形果园，上底是40米，下底是70米，高是50米．如果每棵果树占地2平方米，每年产水果260千克，明明家的果园每年可产水果多少吨？
<gadget id="calculator">40 + 70</gadget>
<output>110</output>

<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">110 * 25</gadget>
<output>2_750</output>

<gadget id="calculator">2_750 / 2</gadget>
<output>1_375</output>

<gadget id="calculator">260 / 1_000</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">1_375 * (13/50)</gadget>
<output>715/2 = around 357.5</output>

<result>715/2 = around 357.5</result>