Question
There were 2309 students in a school. 571 students went out for an excursion and the rest remained in school. Of the students who remained in school, 779 of them were boys. How many girls remained in school?
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There were 2309 students in a school. 571 students went out for an excursion and the rest remained in school. Of the students who remained in school, 779 of them were boys. How many girls remained in school?