Knead a ball of plasticine with a height of 9 cm into a cone with the same base. What is the height of the cone in cm?
把一团高为9厘米的圆柱体橡皮泥，揉成与它等底的圆锥体，这个圆锥体高是多少厘米．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<result>27</result>