At camp Wonka, there are 96 campers.  Two-thirds of the campers are boys, and the remaining one-third are girls.  50% of the boys want to toast marshmallows and 75% of the girls want to toast marshmallows.  If each camper gets one marshmallow to toast, how many marshmallows do they need?
Please reason step by step, and put your final answer within \boxed{}.
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