What is the volume of a cone-shaped bottle with a base diameter of 2 cm and a height of 6 cm?
一个圆锥体形状的瓶子，底面直径是2cm，高是6cm，它的体积是多少．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 6</gadget>
<output>6.28</output>

<result>6.28</result>