I had to check that with ChatGPT it seemed so outlandish! 😹
“In standard French as spoken in France, the number 99 is expressed as “quatre-vingt-dix-neuf,” which translates literally as “four-twenty-nineteen” (80 + 19). This counting method, based on multiples of twenty, starts at 70 (“soixante-dix” or “sixty-ten”) and continues through 99.”
Why not…?