There is a pile of wheat that is approximately conical. The circumference of the base is 12.56 meters and the height is 1.2 meters. If the weight of wheat per cubic meter is 740 kilograms, how many kilograms does this pile of wheat weigh?
有一个近似于圆锥形的小麦堆，量得底面周长是12.56米，高是1.2米，若每立方米小麦约重740千克，这堆小麦约重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.2</gadget>
<output>5.024</output>

<gadget id="calculator">5.024 * 740</gadget>
<output>3_717.76</output>

<result>3_717.76</result>