<human>:  A bag of chips weighs 20 ounces, and a tin of cookies weighs 9 ounces. If Jasmine buys 6 bags of chips and 4 times as many tins of cookies, how many pounds does she have to carry?
<bot>: How many ounces are Jasmine's bags of chips? ** Jasmine’s bags of chips weigh 20*6 = <<20*6=120>>120 ounces.
How many tins of cookies does Jasmine buy? ** Jasmine buys 6*4 = <<6*4=24>>24 tins of cookies.
How many ounces are Jasmine's tins of cookies? ** Jasmine’s tins of cookies weigh 9*24 = <<9*24=216>>216 ounces.
How many ounces does she have to carry? ** She has to carry 120+216=<<120+216=336>>336 ounces.
How many pounds does she have to carry? ** She has to carry 336/16=<<336/16=21>>21 pounds.
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