trapezoidal upper base is 160 meters long, the lower base is 240 meters long, and the height is 30 meters. If the wheat received in this field is piled up into a cone shape, the circumference of the cone base is 12.56 meters and the height is 0.9 meters. Wheat weighs about 750 kilograms. How many kilograms of wheat does this land produce on average per hectare?
一块梯形上底长160米，下底长240米，高30米，把这块地里收到的小麦堆成一个圆锥形，量得圆锥底周长12.56米，高0.9米，如果每立方米小麦重约是750千克，问这块地平均每公顷产小麦多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 0.9</gadget>
<output>3.768</output>

<gadget id="calculator">3.768 * 750</gadget>
<output>2_826</output>

<gadget id="calculator">160 + 240</gadget>
<output>400</output>

<gadget id="calculator">30 / 2 / 10_000</gadget>
<output>3/2_000 = around 0.0015</output>

<gadget id="calculator">400 * (3/2_000)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2_826 / (3/5)</gadget>
<output>4_710</output>

<result>4_710</result>