let's take a peek, 1 hour has 60 minutes, namely if Bettie is correct, the fellow has wrapped 60 eggrolls in 1 hour, so in 8 hours that'd be
60+60+60+60+60+60+60+60 = 480 eggrolls.
what might had happened is that, Bettie got hit on the head by a falling branch of a tree on her way to pick up the newspaper.