A store sells beer, and it is stipulated that every 7 empty beer bottles can be exchanged for 1 bottle of beer. Xiao Li's family bought 24 bottles of beer, and then exchanged the empty beer bottles for beer according to regulations. So, how many bottles of beer can Xiao Li's family drink in total?
某商店出售啤酒，规定每7个空啤酒瓶能换1瓶啤酒．小李家买了24瓶啤酒，喝完后再按规定用空啤酒瓶去换啤酒，那么，小李家前后共能喝到啤酒多少瓶？
<result>27</result>