A conical sand pile has a base circumference of 3.14m and a height of 1.5m. Using this pile of sand to pave a 2cm thick road on a 10m wide road, how many meters can be paved?
一个圆锥形沙堆，底面周长是3.14m，高是1.5m．用这堆沙在10m宽的公路上铺2cm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">0.5 ** 2</gadget>
<output>0.25</output>

<gadget id="calculator">(1/3) * 3.14 * 0.25 * 2.4</gadget>
<output>0.628</output>

<gadget id="calculator">10 * 0.02</gadget>
<output>0.2</output>

<gadget id="calculator">0.628 / 0.2</gadget>
<output>3.14</output>

<result>3.14</result>