Xiaoming’s house has a pile of conical rice. The circumference of its base is 9.42m and its height is 2m. What is the volume of this pile of rice in cubic meters?
小明家有一堆圆锥形的稻谷，量得它底面周长是9.42m，高是2m，这堆稻谷的体积是多少立方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9.42 / 3.14 / 2</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 ** 2</gadget>
<output>2.25</output>

<gadget id="calculator">(1/3) * 3.14 * 2.25 * 2</gadget>
<output>4.71</output>

<result>4.71</result>