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

### Instruction:
 Josette alinunua chupa 3 za maji ya madini kwa €1.50. Gharama ya chupa nne itakuwa kiasi gani?


### 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 €.