Question
There were some children in the music room. After 11 boys left the music room and 25 girls entered the music room, there were 173 children in the music room. How many children were there in the music room at first?
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There were some children in the music room. After 11 boys left the music room and 25 girls entered the music room, there were 173 children in the music room. How many children were there in the music room at first?