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

### Instruction:
Lynne bought 7 books about cats and 2 books about the solar system. She also bought 3 magazines. Each book cost 7$ and each magazine cost $4. How much did Lynne spend in all?

### Response:
 Idadi ya vitabu vyote ni vitabu 7 + vitabu 2 = <<7+2=9>>9
Bei ya vitabu ni vitabu 9 × $7/kitabu = $<<9*7=63>>63
Bei ya magazeti ni magazeti 3 × $4/gazeti = $<<3*4=12>>12
Jumla, Lynne alitumia $63 + $12 = $<<63+12=75>>75