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

### Instruction:
 Leo anapaswa kuandika hadithi ya maneno 400 kwa darasa lake la fasihi. Maneno 10 yanatoshea kwenye kila mstari wa daftari lake na mistari 20 inatoshea kwenye kila ukurasa. Lucas amejaza ukurasa mmoja na nusu. Anapaswa kuandika maneno mangapi yaliyobaki?


### Response:
 Nusu ya ukurasa ni mistari 20 / 2 = <<20/2=10>>10.
Jumla, ameandika mistari 20 + 10 = <<20+10=30>>30.
Mistari 30 aliyoandika ni maneno 30 * 10 = <<30*10=300>>300.
Anabakiwa na maneno 400 - 300 = <<400-300=100>>100 ya kuandika.