Question
There were 2586 students in a school. 506 students went out for an excursion and the rest remained in school. Of the students who remained in school, 855 of them were girls. How many boys remained in school?
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There were 2586 students in a school. 506 students went out for an excursion and the rest remained in school. Of the students who remained in school, 855 of them were girls. How many boys remained in school?