There is a conical wheat pile with a circumference of 15.7 meters and a height of 2.4 meters. If each cubic meter of wheat weighs about 750 kilograms, how many tons does this pile of wheat weigh?
有一个圆锥形小麦堆，底面周长为15.7米，高为2.4米，如果每立方米小麦约重750千克，则这堆小麦约重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15.7 / 3.14 / 2</gadget>
<output>2.5</output>

<gadget id="calculator">2.5 ** 2</gadget>
<output>6.25</output>

<gadget id="calculator">750 / 1_000</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/3) * 3.14 * 6.25 * 2.4 * (3/4)</gadget>
<output>11.775</output>

<result>11.775</result>