English used to do this too. The most famous example is the first line of Lincoln’s Gettysburg address:
Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.
Just started learning French only to find out you need a Bachelor’s in math just to count past 70.
In Swiss French we say « septante » (70) « huitante » (80) and « nonante » (90) which is better than counting by 20
Swiss French doesn’t count as French (like Schwiizerdütsch isch nöd Dütsch)
Es zellt als Russisch… 🙃
So does Walloon French.
English used to do this too. The most famous example is the first line of Lincoln’s Gettysburg address: