A conical pile of sand has a bottom area of 5.4 square meters and a height of 1.5 meters. Use this sand to pave a road with a width of 5 meters and a road surface with a thickness of 3 cm. How many meters can be paved?
一个圆锥形沙堆底面积是5.4平方米，高1.5米，用这些沙铺在5米宽的公路上，铺3cm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">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">5 * (3/100)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1.5 / (3/20)</gadget>
<output>10</output>

<gadget id="calculator">(1/3) * 5.4 * 10</gadget>
<output>18</output>

<result>18</result>