下面程序运行后，单击命令按钮，输出的结果是【 】。
Private Sub Commandl_Click( )
Dim a％(1 To 4) ，b％(2 To 6) ，i％，strl#，str2#
For i=1 To 4
a(i) =i
Next i
For i=2 To 6
b(i) =i
Next i
str1 =YAG(a)
str2 =YAG(b)
Print"strl"；str1;"str2="；str2
End Sub
Function YAG (a()As Integer)
Dim T#，i％
t=1
For i=LBound(a) To UBound(a)
t=t * a(i)
Next i
YAG =t
End Function