阅读下列程序： PrivateSubCommand1_Click() Dim i As Integer，k As Integer k=2 For i=1 To 3 Print Fun(k)； Next End Sub Function Fun(j As Integer) Static b a=0 a=a+1 b=b+1 Fun=a*b+j End Function 程序运行后，单击命令按钮输出结果是