How many G's are on a piano?

A standard piano typically has 88 keys, which include 52 white keys and 36 black keys. The note G appears in multiple octaves across the keyboard, specifically as G1, G2, G3, G4, G5, G6, and G7, making a total of seven G notes. Each G corresponds to a different octave, spanning from the lowest G to the highest G on the piano.