A conical sand pile has a base circumference of 31.4m and a height of 1.5m. How thick can this pile of sand be spread on a road with a length of 125m and a width of 3.14m?
一个圆锥形的沙堆，底面周长是31.4m，高是1.5m．用这堆沙铺在一个长125m，宽3.14米的路面上，可以铺多厚？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">125 * 3.14</gadget>
<output>392.5</output>

<gadget id="calculator">1.5 / 392.5</gadget>
<output>0.003822</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 0.003822</gadget>
<output>0.100009</output>

<result>0.100009</result>