A cone has a base radius of 2 cm and a height of 2.7 cm. What is the volume of the cone?
一个圆锥，底面半径是2厘米，高是2.7厘米，这个圆锥的体积是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 2.7</gadget>
<output>11.304</output>

<result>11.304</result>