A cylinder of plasticine has a base diameter of 6 cm and a height of 10 cm. If it is shaped into a cone of the same size as the base of the cylinder, what is the height of the cone?
一个圆柱形橡皮泥，底面直径是6厘米，高是10厘米，如果把它捏成与圆柱底面大小一样的圆锥，这个圆锥的高是多少？
<gadget id="calculator">10 * 3</gadget>
<output>30</output>

<result>30</result>