Question
In a zoo, there are 504 more girls than boys. 310 of the girls and 12 of the boys wear spectacles. If 13 of the children wear spectacles, how many children are there in the zoo?
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In a zoo, there are 504 more girls than boys. 310 of the girls and 12 of the boys wear spectacles. If 13 of the children wear spectacles, how many children are there in the zoo?