A conical grain pile has a bottom circumference of 6.28 meters and a height of 1 meter. If it is placed in a cylindrical grain storehouse with a bottom radius of 2 meters, how high can it be stacked?
一圆锥形谷堆底面周长6.28米，高1米，若把它装在一个底面半径为2米的圆柱形粮囤里，可以堆多高？
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<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">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">(1/3) / 12.56</gadget>
<output>0.026539</output>

<gadget id="calculator">3.14 * 1 * 1 * 0.026539</gadget>
<output>0.083332</output>

<result>0.083332</result>