A cylindrical water storage bucket with a bottom radius of 30cm is immersed in a conical object with a height of 24cm. When the object is taken out of the bucket, the water level in the bucket will drop by 2cm. What is the area of the bottom of the conical object?
一个底面半径为30cm的圆柱形储水桶里浸着一个高为24cm的圆锥形物体，当把这个物体从水桶里取出时，桶里水面下降2cm，这个圆锥形物体的底面积是多大？
<gadget id="calculator">30 ** 2</gadget>
<output>900</output>

<gadget id="calculator">3.14 * 900 * 2</gadget>
<output>5_652</output>

<gadget id="calculator">3 / 24</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5_652 * (1/8)</gadget>
<output>1_413/2 = around 706.5</output>

<result>1_413/2 = around 706.5</result>