i have never taken any probability classes but when i was studying for the SAT and saw this problem!!!!!!!! plz help me!!

A committe is to consist of four members. if there are seven men and seven women avaiable to serve the committee, how many different committees can be formed?

when i checked for the answer it was 1001, but i have no idea why?!!(Lipssealed)

plz try to used simple math terms while solving the problem(Crying)