A cone-shaped pile of sand has a base radius of 2m and a height of 0.6m. Use this pile of sand to lay an 8cm-thick roadbed on a 5m-wide road. How many meters can the roadbed be laid?
一个圆锥形沙沙堆，底面半径是2m，高是0.6m，用这堆沙在5m宽的路面上铺8cm厚的路基，能铺路基的长度为多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

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

<gadget id="calculator">5 * (2/25)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">0.6 / (2/5)</gadget>
<output>1.5</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 1.5</gadget>
<output>14.13</output>

<result>14.13</result>