The warehouse puts a conical grain pile with a bottom circumference of 25.12 meters and a height of 3 meters into a cylindrical granary with a bottom diameter of 8 meters, which is just full. How many meters is the height of this granary?
仓库将底面周长是25.12米、高是3米的一个圆锥形谷堆装进一个底面直径是8米的圆柱形粮仓里，正好装满．这个粮仓的高是多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">(1/3) * 3.14 * 16 * 3</gadget>
<output>50.24</output>

<gadget id="calculator">50.24 / 50.24</gadget>
<output>1</output>

<result>1</result>