There is a conical sand pile at the construction site in the south of Dejiang City. The diameter of the bottom surface is 8 meters and the height is 1.5 meters. Now, if this pile of sand is to be paved on a road with a width of 8 meters and a thickness of 2 cm, how long can it be paved?
德江城南建设工地有一个圆锥形沙堆，底面直径为8米，高为1.5米，现在要将这堆沙子在8米宽的公路上铺2厘米厚的路面，可以铺成多长的路？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">(1/3) * 3.14 * 16 * 1.5</gadget>
<output>25.12</output>

<gadget id="calculator">8 * 0.02</gadget>
<output>0.16</output>

<gadget id="calculator">25.12 / 0.16</gadget>
<output>157</output>

<result>157</result>