One of the topics in ancient poetry is a pot of wine. A pot of wine is a winery. I had a drink when I went to the hotel.

There is 0.875 bucket in the hip flask. This problem is solved by reverse calculation, that is, Li Bai drank 1 bucket when passing the last flower, so there is still 0.5 bucket before passing the last store, 1.5 bucket before passing the second flower, and 0.75 bucket before passing the second store. So before passing the first flower,