One Piece Chapter 44, page 18: The 3 Cooks

Without warning, Patty delivers a massive, crushing punch directly to the pirate's face, smashing him and the table to pieces. The gun flies out of the pirate's hand. Zeff grumbles, "DAMN THAT PATTY, HOW DARE HE BREAK THE TABLE!" The customers scream in shock, "WHAT!? OHHHH!" Luffy watches with wide eyes, impressed, saying, "WOAH, HE'S PRETTY STRONG."