It says 170,000 cigarettes. That's 8,500 packs if there 20 cigarettes per pack. Roughly 93 years of smoking gives a quarter of a pack a day or 5 cigarettes a day.
She wasn't much of a smoker. ;-)
Cheers,
Scott.
(Who assumes the 170,000 figure was arrived at by calculation, not by her counting them every day.)