A trapezoidal orchard is 56 meters long at the top, 78 meters long at the bottom, and 30 meters high. Each fruit tree covers an area of 15 square meters. How many fruit trees are there in this orchard?
一块梯形果园上底长56米，下底长78米，高30米．每棵果树占地15平方米，这个果园共有果树多少棵？
<gadget id="calculator">56 + 78</gadget>
<output>134</output>

<gadget id="calculator">30 / 2 / 15</gadget>
<output>1</output>

<gadget id="calculator">134 * 1</gadget>
<output>134</output>

<result>134</result>