The sum of the side lengths of a cube is equal to the sum of the side lengths of a cuboid 9 cm long, 6 cm wide, and 3 cm high. Find the volume of this cube.
一个正方体的棱长之和与一个长9厘米、宽6厘米、高3厘米的长方体的棱长之和相等．求这个正方体的体积．
<gadget id="calculator">9 + 6 + 3</gadget>
<output>18</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (1/3) * 18 * (1/3) * 18 * (1/3)</gadget>
<output>216</output>

<result>216</result>