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

### Instruction:
Angie bought three times as many pretzels at the mall as Shelly did. Shelly bought half as many pretzels as Barry. If Barry bought 12 pretzels, how many did Angie buy?

### Response:
 Shelly alinunua 12/2=<<12/2=6>>6 vitumbua
Angie alinunua 6*3=<<6*3=18>>18 vitumbua