Sorry, but it’s also “quatre-vingt-dix-sept” here in Quebec. We do manage haha (it’s something you get used to / absorb as a native speaker, although it is of course a barrier for those learning the language)
You’re probably thinking of Belgium and Switzerland where 97 would be - as far as I understand - “nonante-sept”
See this other StackExchange on the topic (and geographical exceptions to the octante/huitante (!)/nonante usage): https://french.stackexchange.com/questions/187/quelles-parti...