In a trapezoidal wheat field, the upper base is 76 meters, the lower base is 120 meters, and the height is 50 meters. A total of 9310 kilograms of wheat is harvested. How many kilograms of wheat are harvested on average per square meter?
一块梯形麦田，上底是76米，下底是120米，高50米，一共收小麦9310千克，平均每平方米收小麦多少千克？
<gadget id="calculator">76 + 120</gadget>
<output>196</output>

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

<gadget id="calculator">196 * 25</gadget>
<output>4_900</output>

<gadget id="calculator">9_310 / 4_900</gadget>
<output>19/10 = around 1.9</output>

<result>19/10 = around 1.9</result>