The circumference of a conical sand pile is 25.12 meters and the height is 2 meters. If each cubic meter of sand weighs 1.5 tons, how many tons does the pile of sand weigh in total?
一个圆锥形沙堆的底面周长是25.12米，高是2米，如果每立方米沙重1.5吨，那么这堆沙一共重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">(1/3) * 3.14 * 16 * 2 * 1.5</gadget>
<output>50.24</output>

<result>50.24</result>