How to run performing the sum of two integers and returning it's value in vb.net

1. Module6.vb

Module Module6
    Sub Main()
        System.Console.Write("Sum is" & " " & Add())
        Console.ReadLine()
        'calling the function
    End Sub

    Public Function Add() As Integer
        'declaring a function add
        Dim i, j As Integer
        'declaring two integers and assigning values to them
        i = 10
        j = 20
        Return (i + j)
        'performing the sum of two integers and returning it's value
    End Function
End Module

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