An approximately conical pile of coal has a measured circumference of 31.4 meters and a height of 2.4 meters. If each cubic meter of coal weighs 1.5 tons, how many tons does this pile of coal weigh?
一个近似圆锥形的煤堆，测得它的底面周长是31.4米，高是2.4米．如果每立方米煤重1.5吨，这堆煤大约重多少吨？
<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 * 2.4 * 1.5</gadget>
<output>94.2</output>

<result>94.2</result>