Simplify the following text for a Grade 7 native English-speaking person.
Original: The kangaroo is a national symbol of Australia : its emblem is used on the Australian coat of arms , on some of its currency , as well as by some of Australia 's best known organizations , including Qantas .
Simplified: The kangaroo is featured holding the Australian coat of arms . The Australian airline , Qantas , uses the kangaroo as its emblem .