 
 <prompt> ```Ivy dey drink 2.5 liters of water everyday. How many bottles of 2-liter water Ivy suppose buy for her 4 days consumption?``` <response>: ```For 4 days, Ivy dey drink 2.5 x 4 = 10 liters of water.
So Ivy suppose buy 10/2 = 5 bottles of 2-liter water.

The final answer: 5.``` 