cone-shaped pile of sand has a diameter of 18 meters at the bottom and a height of 6 meters. If the sand is spread on a road with a width of 9 meters and a thickness of 4 cm, how many meters can it be laid?
一个圆锥形沙堆，底面直径是18米，高6米，将这些沙铺在宽9米的道路上铺4厘米厚，可以铺多少米长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 ** 2</gadget>
<output>81</output>

<gadget id="calculator">(1/3) * 3.14 * 81 * 6</gadget>
<output>508.68</output>

<gadget id="calculator">9 * 0.04</gadget>
<output>0.36</output>

<gadget id="calculator">508.68 / 0.36</gadget>
<output>1_413</output>

<result>1_413</result>