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

### Instruction:
A pen is longer than the rubber by 3 centimeters, and shorter than the pencil by 2 centimeters. Considering the pencil is 12 centimeters long, what is the total length of the rubber, the pen, and the pencil altogether?

### Response:
 ความยาวรวมของยางลบ ปากกา และดินสอคือ 12 + 3 + 2 = <<12+3+2=17>>17 เซนติเมตร