C++ :

#include<iostream>
#include<string.h>
using namespace std;

class circle
{ 
protected:
    float r;
public:
    circle(float r0=0)
    { r=r0;}
       double getarea( )
    {return 3.14*r*r;}
   };

class table
{
protected:
    float high;
public:
    table(float high1=0)
    {high=high1;}
    float getheight( )
    {return high;}
    };

class roundtable:public circle,public table
{
private:
      string color;
public:
      roundtable(string color1,float high,float r)
          
          :table(high),circle(r)
      { 
        
        color=color1;
      }
 

     string  getcolor( )
      {return color;}
            
    
};
  
void display( roundtable &s)
      {
          cout.precision(2);
		  cout.setf(ios::fixed);
		  cout<<"圆桌的面积："<<s.getarea()<<"，";
		  cout<<"高度："<<s.getheight()<<"，";
          cout<<"颜色："<<s.getcolor()<<"。"<<endl;
      }
int main()
{   float r,h;
    char color[10];
   while( cin>>r>>h>>color)
   {roundtable   rt(color,h,r);
   display(rt);}
   return 0; 
}