A conical pile of sand has a base radius of 2 meters and a height of 6 meters. How many meters can be paved with this pile of sand on a 5-meter-wide road with a thickness of 2 cm?
一个圆锥形沙堆，底面半径2米，高6米，用这堆沙在5米宽的公路上铺2厘米厚的路面，可以铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 6</gadget>
<output>25.12</output>

<gadget id="calculator">5 * 0.02</gadget>
<output>0.1</output>

<gadget id="calculator">25.12 / 0.1</gadget>
<output>251.2</output>

<result>251.2</result>