conversations.from: human
conversations.value: I need a clearer understanding of how to solve: Ivy drinks 2.5 liters of water each day. How many bottles of 2-liter water should Ivy buy for her 4 days consumption?
conversations.from: assistant
conversations.value: For 4 days, Ivy consumes 2.5 x 4 = 10 liters of water.
  So Ivy should buy 10/2 = 5 bottles of 2-liter water.