conversations.from: human
conversations.value: Can you walk me through the solution of: Nancy buys 2 coffees a day.  She grabs a double espresso for $3.00 every morning.  In the afternoon, she grabs an iced coffee for $2.50.  After 20 days, how much money has she spent on coffee?
conversations.from: assistant
conversations.value: She gets a double espresso for $3.00 every morning and an iced coffee for $2.50 in the afternoon so she spends 3+2.5 = $5.50 every day on coffee
  After 20 days, she spends 20*5.5 = $110.00 on coffee