Short and sweet: for numbers ending in numbers larger than 20.
Long and complete: https://en.wikipedia.org/wiki/Romanian_numbers#Preposition_de
As long as in "numbers that end in -zeci", you include the trailing units, i.e.
douăzeci și cinci de bărbați
Mananca, from the popular Latin verb " manducare" this gave birth to Mangiare in Italian and Manger in French, whereas Spanish and Portuguese have " comer" Classical Latin verbs are EDERE and COMEDERE ) this is where the Spanish and Portuguese verbs are coming from.
How can 40 men eat meat at the same time possibly in the same room????????????