There is a cone of sand with a circumference of 12.56 meters and a height of 0.9 meters. How thick can it be to pave a rectangular field with a length of 12 meters and a width of 5 meters with these sands?
有一个圆锥沙堆，底面周长12.56米，高0.9米，用这些沙铺设一个长12米，宽5米的长方形场地，能铺多厚？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<gadget id="calculator">0.9 / 60</gadget>
<output>0.015</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 0.015</gadget>
<output>0.0628</output>

<result>0.0628</result>