A conical sand pile has a base circumference of 25.12 meters and a height of 1.5 meters. Use this pile of sand to pave an 8 cm thick road on a 10 meter wide road. How many meters can you pave?
一个圆锥形沙堆，底面周长是25.12米，高是1.5米．用这堆沙子在10米宽的公路上铺8厘米厚的路面，能铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">25.12 / 6.28</gadget>
<output>4</output>

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

<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">10 * (2/25)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1.5 / (4/5)</gadget>
<output>1.875</output>

<gadget id="calculator">(1/3) * 3.14 * 16 * 1.875</gadget>
<output>31.4</output>

<result>31.4</result>