[填空题] 当运行下列程序,单击窗体后,分别输入72和24,信息框上显示的结果是 【13】 。
Private Sub Form_Click()
Dim x As Integer,y As Integer
x=Val(InputBox("输入整数72"))
y=Val(InputBox("输入整数24"))
z=fun1(x,y)
MsgBox Str(Z)
End Sub
Private Function funl(ByVal a As Integer, ByVal b As Integer)As Integer
Do
r=a Mod b
a = b
b = r
Loop Until r=0
funl=a
End Function