conical mound of rice has a circumference of 18.84 decimeters and a height of 2 meters; each cubic meter of rice weighs 550 kilograms. How many kilograms does this pile of rice weigh?
一个圆锥形谷堆，底面周长18.84分米，高2米；每立方米谷重550千克，这堆稻谷重多少千克？
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">550 * (1/3) * 3.14 * 9 * 2</gadget>
<output>10_362</output>

<result>10_362</result>