A conical pile of yellow sand has a circumference of 50.24m at the bottom and a height of 1.3m. Each cubic meter of yellow sand weighs 1.5 tons. How many tons does this pile of yellow sand weigh?
一堆圆锥形黄沙，底面周长是50.24m，高是1.3m，每立方米黄沙重1.5吨，这堆黄沙重多少吨？
<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">50.24 / 6.28</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">(1/3) * 3.14 * 64 * 1.3 * 1.5</gadget>
<output>130.624</output>

<result>130.624</result>