This would be easier if you attached an actual workbook. You do that via the paperclip symbol on the 'Go Advanced' tab at the bottom of this screen.

That said, your formula might give you what you want if you change it from:
=Sum (B61:62 + B65:76)
to:
=Sum(B61:B62,B65:B76)

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]