There is a similar cone-shaped sand pile on the construction site. The circumference of the bottom is 18.84 meters, the height is 1.5 meters, and the sand weighs 1.6 tons per cubic meter. How many tons does this pile of sand weigh?
建筑工地有一个近似的圆锥体的沙堆，底面周长是18.84米，高是1.5米，每立方米沙重1.6吨，这堆沙大约重多少吨？
<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 * 1.6</gadget>
<output>22.608</output>

<result>22.608</result>