A baseball league consists of two four-team divisions.Each team plays every other team in its division N games.Each team plays every team in the other division M games with N＞2M and M＞4.Each team plays a 76 game schedule.How many games does a team play within its own division？（　?。?br />一個(gè)棒球聯(lián)盟由兩個(gè)四隊(duì)分區(qū)組成。每個(gè)隊(duì)伍都會與其分區(qū)中的其他隊(duì)伍進(jìn)行N場比賽。每個(gè)隊(duì)伍都會與另一個(gè)分區(qū)中的每個(gè)隊(duì)伍進(jìn)行M場比賽，其中N＞2M且M＞4。每個(gè)隊(duì)伍的比賽日程是76場比賽。一個(gè)隊(duì)伍在自己的分區(qū)內(nèi)進(jìn)行了多少場比賽？（　?。?/div>