A cone-shaped pile of sand has a bottom circumference of 12.56 meters and a height of 4.5 meters. How many meters can be paved with this pile of sand on a road with a width of 10 meters?
一圆锥形沙堆底面周长12.56米，高4.5米，用这堆沙在10米宽的公路上铺3厘米的路面，能铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">10 * (3/100)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">4.5 / (3/10)</gadget>
<output>15</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 15</gadget>
<output>62.8</output>

<result>62.8</result>