Can you confirm if the below code is correct?

Public Class Form1 Function getAverage([]) As Integer number = getAverage(1, 2, 3, 4) variablelabel.Text = getAverage(variablelabel.Text, avg).Output End Function Private Function getAverage(ByVal num1 As Integer, ByVal num2 As Integer, ByVal num3 As Integer, ByVal num4 As Integer) Dim avg As Double avg = (num1 + num2 + num3 + num4) / 4 Return avg End Function Private Sub exitButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles exitButton.Click Me.Close() End Sub Private Sub calButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles calButton.Click Dim avg As Integer Dim num1 As Integer Dim num2 As Integer Dim num3 As Integer Dim num4 As Integer avg = getAverage(num1, num2, num3, num4) End Sub End Class