prompt: Whitney’s mom gave her two $20 bills to spend at the school book fair. Whitney has decided to buy 2 posters, 3 notebooks, and 2 bookmarks. Each poster costs $5, each notebook costs $4, and each bookmark costs $2. How much money, in dollars, will Whitney have left over after the purchase?
messages.content: Whitney’s mom gave her two $20 bills to spend at the school book fair. Whitney has decided to buy 2 posters, 3 notebooks, and 2 bookmarks. Each poster costs $5, each notebook costs $4, and each bookmark costs $2. How much money, in dollars, will Whitney have left over after the purchase?
messages.role: user
messages.content: Whitney is buying 2 posters for $5 each, so the posters will cost 2*$5= $<<2*5=10>>10 total cost for posters.
  Whitney is buying 3 notebooks for $4 each, so the notebooks will cost 3*$4= $<<3*4=12>>12 total cost for notebooks.
  Whitney is buying 2 notebooks for $2, so the bookmarks 2*$2= $<<2*2=4>>4 total cost for bookmarks.
  Since Whitney is paying $10 for posters, $12 for notebooks, and $4 for bookmarks, her total purchase will cost $10+$12+$4= $<<10+12+4=26>>26 total purchase cost.
  Whitney’s mom gave her 2 $20 bills, so she will be paying with 2*$20=$<<2*20=40>>40 total payment.
  Since Whitney is paying with $40 and her purchase cost will be $26, she will have $40-$26= $<<40-26=14>>14 left over after the purchase.
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messages.role: assistant