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

### Instruction:
Amy's grandfather gave her $100 for her birthday. Amy bought 3 dolls, each of which cost $1. How much money does Amy have left?

### Response:
 Gharama ya vifaa ilikuwa 3 × $1 = $<<3*1=3>>3.
Hivyo Amy anabakiwa na $100 − $3 = $97.