There is a trapezoidal orchard, the upper base is 22.5 meters, the lower base is 30 meters, and the height is 16 meters. A total of 2730 kg of apples were collected. How many kilograms of apples are collected on average per square meter?
有一块梯形果园，上底22.5米，下底是30米，高是16米．共收苹果2730千克．平均每平方米收苹果多少千克？
<gadget id="calculator">22.5 + 30</gadget>
<output>52.5</output>

<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">52.5 * 8</gadget>
<output>420</output>

<gadget id="calculator">2_730 / 420</gadget>
<output>13/2 = around 6.5</output>

<result>13/2 = around 6.5</result>