A pile of rice that is approximately conical has a circumference of 28.26 meters and a height of 3 meters. If these rices are moved into a cylindrical warehouse with a diameter of 6 meters at the bottom, what is the height of the rice?
一堆近似圆锥的稻谷底面周长28.26米，高3米，将这些稻谷移入底面直径是6米的圆柱形仓库，稻谷的高度是多少？
<gadget id="calculator">3.14 * 20.25</gadget>
<output>63.585</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">63.585 / 28.26</gadget>
<output>2.25</output>

<result>2.25</result>