A conical beach has a base radius of 2m and a height of 6m. Spread this pile of sand in a sand pit with a length of 4m and a width of 2m, how thick can it be?
一个圆锥形沙滩的底面半径是2m，高是6m．将这堆沙铺在长4m，宽2m的沙坑里，能铺多厚？
<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">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>

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

<result>3.14</result>