Each person gets 42 cookies / 7 people = <<42/7=6>>6 cookies.

Each person gets 63 pieces of candy / 7 people = <<63/7=9>>9 pieces of candy.

Each person gets 21 brownies / 7 people = <<21/7=3>>3 brownies.

Each person will get 6 + 9 + 3 = <<6+9+3=18>>18 desserts.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Pat is having a picnic with her family. She has 42 cookies. She also has 63 pieces of candy and 21 brownies. There are 7 people in her family. If each person gets the same number of each dessert, how much will each person get?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
18
Pat is having a picnic with her family. She has 42 cookies. She also has 63 pieces of candy and 21 brownies. There are 7 people in her family. If each person gets the same number of each dessert, how much will each person get?
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