The circumference of the bottom of a cone-shaped sand pile is 18.84 meters, and the height is 1.5 meters. If each cubic meter of sand weighs 2 tons, how many tons does the pile of sand weigh?
一个圆锥形沙堆的底面周长是18.84米，高是1.5米，如果每立方米沙子重2吨，这堆沙子重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 1.5</gadget>
<output>14.13</output>

<gadget id="calculator">14.13 * 2</gadget>
<output>28.26</output>

<result>28.26</result>