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

### Instruction:
Bob ordered 80 packs of Greek yogurt from Costco to use for the month. However, when the delivery arrived, he realized 40% of the packs were expired. He decided to return those packs. If each pack was $12, how much was Bob refunded for the expired product?

### Response:
 Idadi ya pakiti za mtindi wa Ugiriki zilizoisha muda wake ni 80 *40% = <<80*40*.01=32>>32
Kwa kila pakiti ya mtindi wa Ugiriki iliyokuwa inauzwa kwa $12, kwa pakiti 32 za mtindi wa Ugiriki alizorudisha, Bob alirudishiwa $12 * 32 = $<<12*32=384>>384