A conical sand pile has a bottom circumference of 18.84 meters, a height of 3 meters, and a cubic meter of sand that weighs 1.7 tons. How many tons does this pile of sand weigh?
一个圆锥形沙堆，底周长为18.84米，高3米，每立方米沙重1.7吨，这堆沙共重多少吨？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">18.84 / 6.28</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 3 * 1.7</gadget>
<output>48.042</output>

<result>48.042</result>