The ratio of the radii of the bases of two cones is 2:3, and their heights are equal. The volume of the smaller cone is 12 cm**3. What is the volume of the other cone in cm**3?
两个圆锥的底面半径的比为2：3，它们的高相等，其中较小的一个圆锥的体积为12cm**3，则另一个圆锥的体积是多少cm**3．
<gadget id="calculator">12 * 9</gadget>
<output>108</output>

<gadget id="calculator">108 / 4</gadget>
<output>27</output>

<result>27</result>