There is a cone-shaped pile of sand on the construction site. The circumference of the bottom is 25.12 meters and the height is 2 meters. If each cubic meter of sand weighs 1.2 tons, how many tons does the pile of sand weigh?
建筑工地有一堆圆锥形的沙子，量得底面周长是25.12米，高是2米，如果每立方米沙重1.2吨，这堆沙子共重多少吨？
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

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

<gadget id="calculator">50.24 * 2 * (1/3)</gadget>
<output>33.493333</output>

<gadget id="calculator">1.2 * 33.493333</gadget>
<output>40.192</output>

<result>40.192</result>