Question
There were 107 students at a hall at first. After 25 of the girls and 12 of the boys left, there were still 15 more boys than girls at the hall. How many boys were there in the end?
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There were 107 students at a hall at first. After 25 of the girls and 12 of the boys left, there were still 15 more boys than girls at the hall. How many boys were there in the end?