cylindrical water storage bucket with a base radius of 30 cm is immersed in a conical object with a height of 24 cm. When this object is taken out of the water storage bucket, the water level in the bucket drops by 2 cm. Find the conical object What is the radius of the base in centimeters?
一个底面半径是30厘米的圆柱形储水桶里，浸没着一个高为24厘米的圆锥形实物，当把这个实物从储水桶中取出时，桶里的水面下降了2厘米，求圆锥形实物的底面半径是多少厘米？
<result>15</result>