New to C++ need help

[spookie]

I'm new to c++ and I'm having some problems trying to build

error "____" was not delcared in this scope. On numerous lines.

cout << "Plese enter miles you wish to convert ";
cin>> miles;

// Get feet from user
cout << "Please enter the feet you wish to convert ";
cin>> feet;

// Caculate Miles.
feet / 2.28 = kilometers
kilometers * 1000 = kilometers

// Display conversion
cout << << kilometeres << endl;
return 0;
}