This is the difference between the long number system and the short number system:

https://simple.wikipedia.org/wiki/Long_and_short_scales

The long system makes vastly more sense, but in the English world we use the short system, except of course for the English themselves who used to use the long system and tragically regressed to the short system officially in the 1970's.

Of course, in my perfect world, we would use neither because we'd be using base-12: https://en.wikipedia.org/wiki/Duodecimal