There is a conical rice paddy, the diameter of the bottom circle is 6 meters, and the height is 1.5 meters. The paddy paddy weighs 530 kg per cubic meter. How many kg does this pile of paddy paddy weigh?
有一圆锥形的稻谷，底面圆的直径是6米，高1.5米，稻谷每立方米重530千克，这堆稻谷重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 1.5</gadget>
<output>14.13</output>

<gadget id="calculator">14.13 * 530</gadget>
<output>7_488.9</output>

<result>7_488.9</result>