Uncle Zhang put a pile of conical wheat with a base radius of 3 meters and a height of 2 meters into a cylindrical grain storage. The wheat only occupies (3/4) the volume of the grain storage, and the bottom radius of the grain storage is 2 meters. , How many meters is the height of the grain storage?
张大伯将一堆底面半径是3米，高是2米的圆锥形小麦装入一个圆柱形粮囤里，这些小麦只占粮囤容积的(3/4)，粮囤的底面半径是2米，粮囤的高是多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">2 / (3/4) / 12.56</gadget>
<output>0.212314</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 0.212314</gadget>
<output>1.999998</output>

<result>1.999998</result>