Calculadora - if Ejercicio VB.Net - Curso de Programación Visual Basic

Imports System
Public Class exercise53
    Public Shared Sub Main()
        Dim a, b As Integer
        Dim operation As Char
        Console.Write("Enter first number: ")
        a = Convert.ToInt32(Console.ReadLine())
        Console.Write("Enter operation: ")
        operation = Convert.ToChar(Console.ReadLine())
        Console.Write("Enter second number: ")
        b = Convert.ToInt32(Console.ReadLine())

        If operation = "+"c Then
            Console.WriteLine("{0} + {1} = {2}", a, b, a + b)
        ElseIf operation = "-"c Then
            Console.WriteLine("{0} - {1} = {2}", a, b, a - b)
        ElseIf (operation = "x"c) OrElse (operation = "*"c) Then
            Console.WriteLine("{0} * {1} = {2}", a, b, a * b)
        ElseIf operation = "/"c Then
            Console.WriteLine("{0} / {1} = {2}", a, b, a / b)
        Else
            Console.WriteLine("Wrong Character")
        End If
    End Sub
End Class