Question
There were 189 students at a hall at first. After 47 of the boys and 12 of the girls left, there were still 36 more girls than boys at the hall. How many girls were there in the end?
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There were 189 students at a hall at first. After 47 of the boys and 12 of the girls left, there were still 36 more girls than boys at the hall. How many girls were there in the end?