The ditloid 88k on a p stands for 88 keys on a piano.
8 = Pints in a Gallon
The solution to this ditloid is: 85 = Keys on a Piano
4 Cardinal Points of the Compass
13 Hearts in a Pack of Cards.
2 Point Four Children
2 pints in a quart
12 picture cards in a deck
4 Doors Per Car
2 Point Four Children
2 lenses in a standard pair of glasses
11 Players on a Football Field (from each team)