Uncle Zhou, the king of corn, piled the corn harvested this year into a conical corn pile with a base circumference of 18.84m and a height of 6m. It is known that each cubic meter of corn weighs about 400kg. How many kilograms of corn does Uncle Zhou harvest this year? ?
玉米大王周叔叔把今年所收的玉米堆成了一个底面周长是18.84m，高6m的圆锥形玉米堆，已知每立方米玉米约重400kg，周叔叔今年所收的玉米大约有多少千克？
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

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

<gadget id="calculator">3.14 * 9 * 6 * (1/3) * 400</gadget>
<output>22_608</output>

<result>22_608</result>