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圆柱形面积
Time Limit:1000MS  Memory Limit:32768K

Description:

给你圆柱形的底半径和高,求圆柱形的体积。注意pi只取3.14。

Input:

多组数据,每组数据含半径R和高H的数据(满足0.00<=R,H<=99.00)。

Output:

对于每组数据,输出一行圆柱形的体积,保留2位小数。

Sample Input:

49.04  86.44
12.83  56.34

Sample Output:

652747.67
29120.57

Source:

qn
Status  Submit


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