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

### Instruction:
Emma buys 2 containers of milk every school day for lunch. She does not go to school on the weekends. How many containers of milk does she buy in 3 weeks?

### Response:
 Kuna siku 5 za shule: siku 5/wiki x wiki 3 = <<5*3=15>>15 siku za shule
Ananunua vyombo 2 vya maziwa kila siku ya shule: vyombo 2/siku x siku 15 = <<2*15=30>>30 vyombo