application console en vb.net

Bonjour a tous

je rencontre un probleme avec ce code ci-dessous quand j'execute par exemple 2+4 et que je valide le resultat se met à la ligne. mais je voudrais que le resultat soit sur la meme ligne avec que l'operation comme l'exemple "4+5=9"

Code:

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Module Module2
    Sub Main()
        Do
            Dim ValeurEntree As String = ""
            Dim ValeurEntree1 As String = ""
            Dim resultat As String = String.Empty
            Dim nbre1 As Double = 0
            Dim nbre2 As Double = 0
            Dim tab(5) As String
            Dim i As Integer
 
            ValeurEntree = Console.ReadLine()
 
            For i = 0 To tab.Length - 1
                tab(i) = ValeurEntree
            Next
 
            For i = 0 To tab.Length - 1
                resultat = eval(ValeurEntree, "")
                tab(4) = "=" & resultat.ToString.Replace(",", ".")
            Next
            'Console.Write("=" & resultat.ToString.Replace(",", "."))
            Console.Write(tab(4))
        Loop
    End Sub
    Public Function eval(ByVal exp As String, ByVal op As String) As String
        Dim tabOp(5) As String '= {"+", "-", "/", "*"}
        tabOp(0) = "+"
        tabOp(1) = "-"
        tabOp(2) = "/"
        tabOp(3) = "*"
        tabOp(4) = "exit"
        Dim i As Integer
        Dim exp1 As String = ""
        Dim exp2 As String = ""
        If op.Length = 0 Then
            For i = 0 To 4
                If exp.Contains(tabOp(i)) Then
                    op = tabOp(i)
                    exp1 = exp.Split(op).GetValue(0).ToString.Replace(".", ",")
                    exp2 = exp.Split(op).GetValue(1).ToString.Replace(".", ",")
                End If
            Next
        End If
 
        Select Case op.ToLower
            Case "+"
                Return CDbl(exp1) + CDbl(exp2)
            Case "-"
                Return CDbl(exp1) - CDbl(exp2)
            Case "*"
                Return CDbl(exp1) * CDbl(exp2)
            Case "/"
                Return CDbl(exp1) / CDbl(exp2)
            Case "exit"
                Console.WriteLine("MERCI D'AVOIR UTLISE CALCULATRICE")
                Console.WriteLine()
                Console.Read()
                Return "e"
 
 
        End Select
 
    End Function
End Module