A cone-shaped pile of sand has a circumference of 25.12 meters and a height of 3.6 meters. If the sand weighs 1500 kilograms per cubic meter, how many kilograms does the pile of sand weigh?
一个圆锥形沙堆底面周长25.12米，高3.6米，如果每立方米沙重1500千克，这堆沙重多少千克？
<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 * 3.6 * 1_500</gadget>
<output>90_432</output>

<result>90_432</result>