There are two cylindrical buckets, A and B, the radius of the bottom of bucket A is 8 cm, the radius of the bottom of bucket B is 6 cm, bucket A has no water, bucket B has water, and the height is 25 cm, now put the water in bucket B Pour part of the water to Party A so that the height of the water in the two buckets is the same. How many centimeters is the water surface of A bucket at this time?
有甲、乙两只圆柱形水桶，甲水桶的底面半径是8厘米，乙水桶的底面半径是6厘米，甲水桶没水，乙水桶里有水，高度是25厘米，现在把乙水桶的水倒一部分给甲方，使两只水桶里的水高度相同，这时甲桶水面高多少厘米？
<gadget id="calculator">6 * 6 * 25</gadget>
<output>900</output>

<gadget id="calculator">900 / 100</gadget>
<output>9</output>

<result>9</result>