若有如下Sub过程:Sub sfun(x As Single, y As Single ) t = x x = t / y y = t Mod yEnd Sub在窗体中添加一个命令按钮Command33,对应的事件过程如下:Private Sub Command33_Click() Dim a As Single Dim b As Single a = 5 : b = 4 sfun a, b MsgBox a & chr(10)+ chr(13)& bEnd Sub打开窗体运行后,单击命令按钮,消息框中有两行输出,内容分别为( )。