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

### Instruction:
 Ikiwa Billy alilala masaa 6 usiku mmoja, kisha masaa 2 zaidi ya hapo usiku unaofuata, na kisha nusu ya kiasi cha awali usiku unaofuata, na hatimaye mara tatu ya kiasi cha awali usiku wa mwisho, alilala masaa mangapi katika kipindi hicho cha siku nne?


### Response:
 Billy alilala masaa 6 kwanza, kisha masaa 6+2=<<6+2=8>>8, kisha 8/2=<<8/2=4>>4, na hatimaye 4*3=<<4*3=12>>12.
Jumla, Billy alilala masaa 6+8+4+12=<<6+8+4+12=30>>30.