A conical wheat pile has a bottom circumference of 31.4 meters and a height of 2 meters. If each cubic meter of wheat weighs 750 kilograms, how many tons does this pile of wheat weigh?
一圆锥形小麦堆底面周长是31.4米，高是2米，如每立方米小麦重750千克，这堆小麦重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 2 * 750</gadget>
<output>39_250</output>

<result>39_250</result>