In a cylindrical bucket with a bottom radius of 30 cm, a conical object with a height of 24 cm is submerged. When it is taken out of the bucket, the water level drops by 2 cm. What is the area of the bottom of this conical object?
在一个底面半径是30厘米的圆柱形水桶里，浸没着一个高为24厘米的圆锥形实物，当把它从水桶里取出时，水面下降了2厘米，这个圆锥形实物的底面积是多少？
<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>