conical pile of wheat has a base circumference of 12.56 meters and a height of 2 meters. If each cubic meter of wheat weighs about 750 kilograms, how many kilograms does this pile of wheat weigh?
一个圆锥形小麦堆，底面周长是12.56米，高2米，如果每立方米小麦大约重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 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 2 * 750</gadget>
<output>6_280</output>

<result>6_280</result>