A sheet of iron is a right triangle, the ratio of the two sides AB to BC is 1:2, and the length of AB is 6 cm. What is the volume in cubic centimeters of the cone formed if it is rotated around side AB for one revolution?
一张直角三角形铁皮，两条直角边AB与BC的比是1：2，AB长6厘米．如果以AB边为轴旋转一周所形成的圆锥的体积是多少立方厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">12 ** 2</gadget>
<output>144</output>

<gadget id="calculator">(1/3) * 3.14 * 144 * 6</gadget>
<output>904.32</output>

<result>904.32</result>