A cylindrical plasticine with a base diameter of 2 cm and a height of 3 cm is kneaded into a cone with a base diameter of 2 cm. What is the height of the cone in cm?
把一个底面直径为2厘米、高为3厘米的圆柱形橡皮泥，捏成底面直径为2厘米的圆锥，这个圆锥的高是多少厘米．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1 * 3</gadget>
<output>9.42</output>

<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>

<gadget id="calculator">3 / 3.14</gadget>
<output>0.955414</output>

<gadget id="calculator">9.42 * 0.955414</gadget>
<output>9</output>

<result>9</result>