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

### Instruction:
 Jason ana mara tatu ya vitu vya John. Ikiwa John ana vitu 6 zaidi ya Rachel na Rachel ana kimoja, Jason ana vitu vingapi?


### Response:
 John ana vitu 6 zaidi ya Rachel + 1 kimoja cha Rachel = <<6+1=7>>7 vitu
Jason ana vitu 3 * 7 vya John = <<3*7=21>>21 vitu