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

### Instruction:
Lucas went to the store with $20 and needed to buy 3 avocados that cost $2 each. How much change does he bring home?

### Response:
 Anahitaji kununua parachichi 3 ambazo kila moja inagharimu $2 hivyo ni 3*2 = $<<3*2=6>>6
Anaanza na $20 na ametumia $6 kununua parachichi hivyo anabakiwa na $20-$6 = $<<20-6=14>>14