Simplify the following text for a Grade 10 native English-speaking person.
Original: Mika Pauli HÃ kkinen ( born 28 September 1968 in Vantaa in the Helsinki metropolitan area ) is a Finnish racing driver and two-time Formula One World Champion .
Simplified: Mika Pauli HÃ kkinen ( born September 28 , 1968 in Helsingin maalaiskunta ) is a Finnish racing driver and two-time Formula One champion .