prompt: Cupcakes are sold in packages of 10 and 15. Jean bought 4 packs of 15 cupcakes.  If she will give one cupcake each to 100 children in the orphanage, how many packs of 10 cupcakes should she need to buy?
messages.content: Cupcakes are sold in packages of 10 and 15. Jean bought 4 packs of 15 cupcakes.  If she will give one cupcake each to 100 children in the orphanage, how many packs of 10 cupcakes should she need to buy?
messages.role: user
messages.content: Jean already bought 15 cupcakes x 4 packs = <<15*4=60>>60 cupcakes.
  She needs 100 - 60 = <<100-60=40>>40 more cupcakes.
  Thus, she needs to buy 40/10 = <<40/10=4>>4 packs of 10 cupcakes.
  #### 4
messages.role: assistant