using static System.Console; namespace SalarioAnual { public class Program { public static void Main() { var c = new Calculo(); WriteLine($"O salário anual é: {c.SalarioAnual}"); } } public class Calculo { private decimal salarioAnual; public int Meses { get; set; } = 12; public decimal Salario { get; set; } = 100M; public decimal SalarioAnual => Meses * Salario; } } //https://pt.stackoverflow.com/q/336749/101