The circumference of a cone is 9.42 meters and the height is 1 meter. What is the volume of the cone?
一个圆锥底面周长9.42米，高1米，圆锥体积多少？
<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 * 1</gadget>
<output>2.355</output>

<result>2.355</result>