She says: You never know when someone will ask you – how many grapes in a glass of wine? Or – How many glasses in a bottle of wine? OR – how many grapes does it take to make a barrel of wine? Or some other math problem you really can’t answer after you’ve had a glass of wine.
Ampelos Cellars has done the math and even better – added pictures! (Someone heard about my math skills.) It’s a nice reference to keep on your phone for that moment when you want to have all the answers.