conical pile of sand has a bottom circumference of 31.4 meters and a height of 2.4 meters. If this pile of sand is spread on a road with a width of 5 meters and a thickness of 8 centimeters, how long can it be spread?
一个圆锥形沙堆，底面周长是31.4米，高2.4米，把这堆沙铺在一条宽5米，铺沙8厘米厚的路上，能铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">5 * (2/25)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2.4 / (2/5)</gadget>
<output>6</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<result>157</result>