There is a conical pile of wheat with a diameter of 2 meters at the bottom and a height of 3 meters. If each cubic meter of wheat weighs 750 kilograms, how many kilograms does this pile of wheat weigh?
有一个圆锥形的麦堆，底面直径2米，高3米，如果每立方米小麦重750千克，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">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

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

<gadget id="calculator">3.14 * 750</gadget>
<output>2_355</output>

<result>2_355</result>