A pile of conical sand has a diameter of 6m at the bottom and a height of 1.8m. If this pile of sand is spread on a road with a width of 6m, how long can it be spread if it is 5cm thick?
一堆圆锥形沙土，底面直径是6m，高是1.8m，把这堆沙土铺在6m宽的路面上，铺5cm厚的话能铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 1.8</gadget>
<output>16.956</output>

<gadget id="calculator">6 * 0.05</gadget>
<output>0.3</output>

<gadget id="calculator">16.956 / 0.3</gadget>
<output>56.52</output>

<result>56.52</result>