If your lack of creative derogatory terminolgy were not enough indication, the content of your post is enough to prove your limited education, at least application thereof.
Would you say that something cost 15 dollar? No, you would say it cost 15 dollars... plural. Orum is singular; Orux is plural. Hence, 1 orum, 15 orux and the first poster was correct, while you were insulting and, now, what's the word? Oh yeah, WRONG. Have a lovely day.