有如下程序段。 Public Sub xy (a As Integer，b As
题型：填空题
问题：
有如下程序段。
Public Sub xy (a As Integer，b As Integer)
Dim t As Integer
Do
t=a Mod b
a=b:b=t
Loop While t
MsgBox a
End Sub
用Call xy(96，40)调用该通用过程后，输出结果是______。
有如下程序段。
Public Sub xy (a As Integer，b As Integer)
Dim t As Integer
Do
t=a Mod b
a=b:b=t
Loop While t
MsgBox a
End Sub
用Call xy(96，40)调用该通用过程后，输出结果是______。