Daily Brain Teaser #21

14 kids are at the skate park.
Some of them have inline skates (4 wheels per skate).
Some of them have skateboards (4 wheels).
And some of them have bikes (2 wheels).
There are 72 wheels altogether.
How many kids are using each type of equipment?

Inline Skates_________
Skate Boards ________
Bikes______________