A conical sandy beach has a bottom circumference of 25.12m and a height of 3m. How many meters can be paved with this pile of sand on a 10-meter-wide road with a thickness of 5cm?
一个圆锥形沙滩，底面周长是25.12m，高3m，用这堆沙在10米宽的公路上铺5cm厚的路面，能铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">3 / 10 / (1/20)</gadget>
<output>6</output>

<gadget id="calculator">(1/3) * 16 * 6</gadget>
<output>32</output>

<result>32</result>