A cone-shaped pile of sand has a circumference of 18.84 meters and a height of 3 meters. If this pile of sand is used to pave a straight road with a width of 3 meters and a thickness of 0.3 meters, how many meters of road can be paved?
一个圆锥形的沙堆，底面周长是18.84米，高3米，如果用这堆沙去铺一条宽3米的直路，要求铺0.3m厚，可以铺多少米长的路？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3 * 0.3</gadget>
<output>0.9</output>

<gadget id="calculator">3 / 0.9</gadget>
<output>3.333333</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 3.333333</gadget>
<output>31.399997</output>

<result>31.399997</result>