A cylindrical piece of plasticine has a bottom area of 5cm**2 and a height of 3cm. If it is squeezed into a cone with a base area of 9cm**2, what is the height of the cone?
一块圆柱形橡皮泥，底面积5cm**2，高3cm．如果把它捏成一个底面积为9cm**2的圆锥，圆锥高多少厘米？
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<result>5</result>