Simplify the following text for a Grade 12 native English-speaking person.
Original: The province covered an area of 160,622 kmÂ , including much of the current Punjab province and the Islamabad Capital Territory , but excluding the former princely state of Bahawalpur .
Simplified: The province covered an area of 160622 k , including much of the current Punjab province and the Islamabad Capital Territory , but excluding the former princely state of Bahawalpur .