programa de el promedio de los estudiantes

Public
Class Form1
Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim nombre As String
Dim nota1 As Double
Dim nota2 As Double
Dim nota3 As Double
Dim examen As Double
Dim trabajo As Double
Dim notafinal As Double
nombre = InputBox(
"ingrese nombre")
nota1 = InputBox(
"ingrese nota 1")
nota2 = InputBox(
"ingrese nota 2")
nota3 = InputBox(
"ingrese nota 3")
examen = InputBox(
"nota examen")
trabajo = InputBox(
" nota trabajo")
TextBox1.Text = nombre
TextBox2.Text = nota1
TextBox3.Text = nota2
TextBox4.Text = nota3
TextBox5.Text = examen
TextBox6.Text = trabajo
TextBox7.Text = ((nota1 + nota2 + nota3) / 3 * 0.55 + examen * 0.3 + trabajo * 0.15)
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
End
End Sub
End
Class