prompt: In a grocery store, Julia bought 2 pieces of Snickers and 3 packs of M&M's. If each piece of Snickers costs $1.5 and a pack of M&M's has the same cost as 2 Snickers, how much is Julia's change if she gave the cashier 2 $10 bills?
messages.content: In a grocery store, Julia bought 2 pieces of Snickers and 3 packs of M&M's. If each piece of Snickers costs $1.5 and a pack of M&M's has the same cost as 2 Snickers, how much is Julia's change if she gave the cashier 2 $10 bills?
messages.role: user
messages.content: Two pieces of snickers cost $1.5 x 2 = $<<1.5*2=3>>3.
  One pack of M&M's costs $3 so 3 packs cost $3 x 3 = $<<3*3=9>>9.
  The total amount that she needs to pay is $3 + $9 = $<<3+9=12>>12.
  Julia gave the cashier $10 x 2 = $<<10*2=20>>20.
  So, her change is $20 - $12 = $<<20-12=8>>8.
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messages.role: assistant