Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Josette bought 3 bottles of mineral water for €1.50. How much will four bottles cost?

### Response:
 Chupa moja inagharimu 1.5/3 = <<1.5/3=0.5>>0.5 € / chupa.
Hivyo, chupa nne zitagharimu 0.5 € x 4 = <<0.5*4=2>>2 €.