有如下程序段: Function f(a As Integer, b As Integer) As Integer Dim k As Integer k = a Mod b If k = 0 Then f = b Else f = f(b, a mod b) End If End Function Private Sub Command1_Click() Dim i As Integer, j As Integer i = Val(Text1.Text) j = Val(Text2.Text) Text3.Text = Str(i * j / f(i, j)) End Sub 该程序运行之后,在text1与text2分别输入25 与15,点击command1后在text3上显示的内容为( )