Write the definition of a class RING in C++ with the following description:

Private Members
  - RingNumber  // data member of integer type
  - Radius         // data member of float type
  - Area           // data member of float type
  - CalcArea() // Member function to calculate and assign
                   // Area as 3.14 * Radius*Radius
Public Members 
  - GetArea() // A function to allow user to enter values of
                  // RingNumber and Radius. Also, this
                 // function should call CalcArea() to calculate
                // Area
- ShowArea() // A function to display RingNumber, Radius
                   // and Area