A conical pile of wheat has a base radius of 2 meters and a height of 3 meters. If this pile of wheat is placed in a cylindrical granary with a bottom diameter of 8 meters, how high can it be placed?
一个圆锥形的麦堆，底面半径2米，高为3米．如果把这堆小麦放在底面直径是8米的圆柱形粮仓内，可以放多少高？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">3 / 50.24</gadget>
<output>0.059713</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 0.059713</gadget>
<output>0.249998</output>

<result>0.249998</result>