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

### Instruction:
Chad bought 6 packages of cat food and 2 packages of dog food. Each package of cat food contained 9 cans, and each package of dog food contained 3 cans. How many more cans of cat food than dog food did Chad buy?

### Response:
 Chad alikuwa na makopo 6 * 9 = <<6*9=54>>54 ya chakula cha paka.
Chad alikuwa na makopo 2 * 3 = <<2*3=6>>6 ya chakula cha mbwa.
Chad alikuwa na makopo 54 - 6 = <<54-6=48>>48 zaidi ya chakula cha paka.