There is a pile of conical rice on the threshing floor, the circumference of the bottom surface is 18.84 meters, and the height is 1.5 meters. Put this pile of rice into a cylindrical grain storehouse with an inner diameter of 6 meters. What is the height of the rice pile?
打谷场上有一堆圆锥形的稻谷，底面周长18.84米，高1.5米，把这堆稻谷装入一个内直径6米的圆柱形粮囤内，稻谷堆的高度是多少米？
<gadget id="calculator">9.42 * 1.5</gadget>
<output>14.13</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">14.13 / 28.26</gadget>
<output>0.5</output>

<result>0.5</result>