Simplify the following text for a Grade 7 native English-speaking person.
Original: Kimi RÃ ikkÃ nen won the inaugural race of the 2007 season at Albert Park , becoming the first Ferrari driver to win on his dÃ but since Nigel Mansell . Scuderia Ferrari went on to win the 2007 Constructors championship , and Kimi RÃ ikkÃ nen took the driver 's championship .
Simplified: In , Kimi RÃ ikkÃ nen won the Driving Championship for Ferrari .