A trapezoidal underground parking lot has an upper base of 60 meters, a lower base of 100 meters, and a height of 24 meters. A total of 120 vehicles can be parked. How many square meters does each vehicle occupy on average?
一个梯形的地下停车场，上底是60米，下底是100米，高是24米，共可停车120辆，平均每辆车占地多少平方米．
<gadget id="calculator">60 + 100</gadget>
<output>160</output>

<gadget id="calculator">24 / 2 / 120</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">160 * (1/10)</gadget>
<output>16</output>

<result>16</result>