There is a cone-shaped pile of sand in a cement factory, the circumference of the bottom is 50.24m, the height is 6m, and the weight of sand per cubic meter is 1.4 tons. How many tons does this pile of sand weigh?
水泥厂有一堆圆锥形的沙子，底面周长是50.24m，高是6m，每立方米沙重1.4吨．这堆沙子重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

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

<gadget id="calculator">(1/3) * 3.14 * 64 * 6</gadget>
<output>401.92</output>

<gadget id="calculator">401.92 * 1.4</gadget>
<output>562.688</output>

<result>562.688</result>