A conical grain pile has a bottom radius of 2 meters and a height of 1.5 meters. Now put it all into a cylindrical grain pile with a bottom diameter of 2 meters. How high can it be stacked?
一个圆锥形的谷堆底面半径为2米，高1.5米，现在把它全部装进一个底面直径是2米的圆柱形粮屯里，可以堆放多高？
<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">(1/3) * 3.14 * 4 * 1.5</gadget>
<output>6.28</output>

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

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

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

<gadget id="calculator">6.28 / 3.14</gadget>
<output>2</output>

<result>2</result>