How many keys are there usually on a standard modern piano?

Question

A glockenspiel, a percussion instrument with tuned metal keys arranged like a piano keyboard, gets its name from German. Roughly what does it mean?

Answer 1

88 keys i.e they are seven octaves keyboard with 52 white keys and 36 black keys...

Answer 2

It has since been imitated by other makers. Almost every modern piano has 52 white keys and 36 black keys for a total of 88 keys (seven octaves plus a minor third, from A0 to C8). Many older pianos only have 85 keys (seven octaves from A0 to A7).