Simplify the following text for a Grade 4 native English-speaking person.
Original: The urban area of JÃ nkÃ ping today includes the eastern industrial town of Huskvarna , with which it has grown together .
Simplified: JÃ nkÃ ping was actually 3 towns that grew into one large town . The 3 towns were , JÃ nkÃ ping ( 55.000 ) , Huskvarna ( 22.000 ) and Norrahammar ( 9.000 ) .