conversations.from: human
conversations.value: 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?
conversations.from: assistant
conversations.value: Two pieces of snickers cost $1.5 x 2 = $3.
  One pack of M&M's costs $3 so 3 packs cost $3 x 3 = $9.
  The total amount that she needs to pay is $3 + $9 = $12.
  Julia gave the cashier $10 x 2 = $20.
  So, her change is $20 - $12 = $8.