A trapezoidal wheat field is 84 meters long at the top, 116 meters long at the bottom, and 20 meters high. This field harvests a total of 1120 kilograms of wheat. How many kilograms of wheat is produced on average per square meter?
一块梯形麦地上底长84米，下底长116米，高20米，这块地共收小麦1120千克，平均每平方米产小麦多少千克？
<gadget id="calculator">84 + 116</gadget>
<output>200</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">200 * 10</gadget>
<output>2_000</output>

<gadget id="calculator">1_120 / 2_000</gadget>
<output>14/25 = around 0.56</output>

<result>14/25 = around 0.56</result>