Tạo một lớp công thức static

public class Main {
	// Mark Formula as static
    ____ class Formula{
    
        // Create the calculateSpeed static method
        ____ ____ calculateSpeed(double ____, double ____) {
          return ____ / ____;
        }            
    
    }

    public static void main(String[] args) {
        // Print the result of the calculateSpeed method with the correct parameters
        System.out.println(Formula.____(____, ____));
    }
}