The height of a cylinder is 12cm, and the diameter of the bottom surface is the height (1/3), what is the volume of this cylinder in cm**3.
一个圆柱高是12cm，底面直径是高的(1/3)，这个圆柱的体积是多少cm**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

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

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

<gadget id="calculator">3.14 * 4 * 12</gadget>
<output>150.72</output>

<result>150.72</result>