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

### Instruction:
 Kimbunga Sally linasababisha siku 3 za mvua katika kusini mwa Texas. Siku ya kwanza ilinyesha inchi 4. Siku ya pili ilinyesha mara 5 zaidi ya siku ya kwanza, na siku ya tatu ilinyesha inchi 6 chini ya jumla ya siku mbili za kwanza. Ilinyesha kiasi gani siku ya tatu?


### Response:
 Siku ya Kwanza: 4 inchi
Siku ya Pili: 5(4)=20 inchi
Siku ya Tatu: (4+20)-6=<<(4+20)-6=18>>18 inchi