A cone-shaped yellow sand has a bottom circumference of 25.12 meters and a height of 2 meters. Each cubic meter of yellow sand weighs 1.5 tons. How many tons does this vertebral yellow sand weigh?
一圆锥形黄沙，底面周长25.12米，高2米，每立方米黄沙重1.5吨，这椎黄沙重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">25.12 / 6.28</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>