阅读程序：
Option Base 1
Dim arr() As Integer
Private Sub Form_Click()
Dim i As Integer, j As Integer
ReDim arr(3, 2) For i = 1 To 3
For j = 1 To 2
arr(i, j) = i * 2 + j
Next j
Next i
ReDim Preserve arr(3, 4) For j = 3 To 4
arr(3, j) = j + 9
Next j
Print arr(3, 2) + arr(3, 4) End Sub
程序运行后，单击窗体，输入结果为______。