Question
There were 205 students at a hall at first. After 37 of the boys and 12 of the girls left, there were still 50 more girls than boys at the hall. How many girls were there at first?
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There were 205 students at a hall at first. After 37 of the boys and 12 of the girls left, there were still 50 more girls than boys at the hall. How many girls were there at first?