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

### Instruction:
After a trip, Mrs. Nalani took the students to the restaurant and told them they could order either a burger or a hot dog. If the number of students who ordered burgers was 30, twice the number of students who called for a hot dog, calculate the number of students at the restaurant.

### Response:
 Ikiwa wanafunzi 30 walioagiza burger walikuwa mara mbili ya idadi ya wanafunzi walioagiza hot dog, basi 30/2 = <<30/2=15>>15 wanafunzi walioagiza hot dog.
Jumla ya wanafunzi ni 15 + 30 = <<15+30=45>>45, kwani wote waliamuru chakula.