Based on boiling 7.20 gallonsliters at 1.054 for 90 minutes, this will decrease your wort by 1.50 gallonsliters, bringing your after boil OG to 1.065. You wanted an OG of 1.068. It looks like it will be under.
la gravité avant de mettre le sucre d'embouteillage 1.015 et apres 1.018
7.35% d'alcool environ apres carbonation
La gravité est de 1.034 apres 6.5 jours