Xiao Ming goes to an English cram school outside school every weekend. Xiao Qiang has never attended an English cram school. As a result, Xiao Ming and Xiao Qiang scored 95 and 55 respectively in the final exam. 
Gang has never been to an English cram school, and he got 80 points in the English exam this time
 the reason why Xiaoming's English is better than Xiaoqiang is that he went to an out-of-school cram school.