將任意兩數相乘的計算結果

'將任意兩數相乘計算結果
Public Class Form1
    Dim a, b As Long
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        a = Val(TextBox1.Text)
        b = Val(TextBox2.Text)
        TextBox3.Text = a * b
    End Sub
End Class