' Visual Basic 2008 9.0 .NET Examples - Iterations - Introduction to Visual Basic : 
Module Exercise5Solution
    Sub Main()
        Dim number, result As Integer
        Dim operatorSymbol As String
        '
        number = Console.ReadLine()
        '
        result = number
        Do
            operatorSymbol = Console.ReadLine()
            If operatorSymbol = "=" Then
                Console.WriteLine(result)
            Else
                number = Console.ReadLine()
                If operatorSymbol = "+" Then
                    result = result + number
                Else
                    If operatorSymbol = "-" Then
                        result = result - number
                    End If
                End If
            End If
        Loop Until operatorSymbol = "="
        '
        Console.ReadLine()
    End Sub
End Module
' Visit www.studyvb.com for more examples.  Copyright 2003-2008 De Wolf.