A conical sand pile has a bottom circumference of 37.68m and a height of 5m. If the sand is spread on a road with a width of 15.7m and a thickness of 4cm, how many meters can it be spread?
一个圆锥形沙堆，底面周长37.68m，高5m，把这些沙子铺在宽为15.7m的路面上铺4cm厚，可铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">(1/3) * 3.14 * 36 * 5</gadget>
<output>188.4</output>

<gadget id="calculator">15.7 * 0.04</gadget>
<output>0.628</output>

<gadget id="calculator">188.4 / 0.628</gadget>
<output>300</output>

<result>300</result>