A conical valley mound has a bottom circumference of 12.56 meters and a height of 1.2 meters. How high can it be stacked if it is packed in a cylindrical grain storehouse with a base radius of 1 meter?
一圆锥形谷堆底面周长是12.56米，高1.2米．若把它装在一个底面半径为1米的圆柱形粮囤里，可以堆多高？
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3.14 * 4 * 1.2 * (1/3)</gadget>
<output>5.024</output>

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

<gadget id="calculator">5.024 / 3.14</gadget>
<output>1.6</output>

<result>1.6</result>