How Do you Pronounce three hundred zero nine thousand four hundred twenty in english ?

three hundred zero nine thousand four hundred twenty Pronunciation in english(IPA) :

θriː ˈhʌndrəd ˈzɪərəʊ nʌɪn ˈθaʊz(ə)nd fɔː ˈhʌndrəd ˈtwɛnti