<human>:  Dr. Harry wants to know how many candies Susan consumed during the week. Susan tells him she bought 3 on Tuesday, 5 on Thursday, 2 on Friday. If she has only 4 of them left, how many did she eat?
<bot>: How many candies did Susan buy? ** She had bought 3+5+2 = <<3+5+2=10>>10 candies over the week
How many candies did Susan eat? ** She has only 4 left which means she ate 10-4 = <<10-4=6>>6 candies during the week
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