A conical sand pile has a base area of 10 square meters and a height of 1.2 meters. Use this pile of sand to pave a road with a thickness of 2 cm on a road with a width of 10 meters. How many meters can you pave?
一个圆锥形沙堆，底面积10平方米，高1.2米．用这堆沙在10米宽的公路上铺2厘米厚的路面，能铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">10 * (1/50)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1.2 / (1/5)</gadget>
<output>6</output>

<gadget id="calculator">(1/3) * 10 * 6</gadget>
<output>20</output>

<result>20</result>