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

### Instruction:
 Bwana Angstadt ana wanafunzi 120 kwa siku nzima. Nusu yao wamejiandikisha kwa Takwimu. Kati ya wanafunzi wa Takwimu, asilimia 90 ni wazee. Wanafunzi wangapi wa Bwana Angstadt ni wazee waliojiandikisha kwa Takwimu?


### Response:
 Takwimu: 120/2=<<120/2=60>>60
Wazee katika Takwimu:60(.90)=54