A trapezoidal field with an upper base of 70 meters, a lower base of 110 meters, and a height of 60 meters. If wheat is planted on this land, the average yield of wheat per hectare is 6,000 kilograms. How many tons of wheat can this land produce?
一块梯形地，上底70米，下底110米，高60米，在这块地上种小麦，平均每公顷产小麦6000千克，这块地可产小麦多少吨？
<gadget id="calculator">110 + 70</gadget>
<output>180</output>

<gadget id="calculator">60 / 2 / 10_000</gadget>
<output>3/1_000 = around 0.003</output>

<gadget id="calculator">6_000 / 1_000</gadget>
<output>6</output>

<gadget id="calculator">180 * (3/1_000) * 6</gadget>
<output>81/25 = around 3.24</output>

<result>81/25 = around 3.24</result>