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

### Instruction:
 James huchukua darasa la spinning mara 3 kwa wiki. Anafanya mazoezi kwa saa 1.5 kila darasa na huchoma kalori 7 kwa dakika. Anachoma kalori ngapi kwa wiki?


### Response:
 James huchukua darasa la spinning mara 3*7=<<3*7=21>>21 kwa wiki.
Anafanya mazoezi kwa saa 1.5*21=<<1.5*21=31.5>>31.5 kila wiki.
Anachoma kalori 7*31.5=<<7*31.5=220.5>>220.5 kwa dakika.