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

### Instruction:
 Cheryl has thrice as many colored pencils as Cyrus. Madeline has 63 colored pencils and only half of what Cheryl has. How many colored pencils do the three of them have altogether?


### Response:
 Cheryl has 3*Cyrus=<<3*Cyrus=3*C>>3*C colored pencils
Madeline has 63 colored pencils and only half of what Cheryl has, so Madeline has 63+3*C/2=<<63+3*C/2=63+3*C/2>>63+3*C/2 colored pencils
The three of them have 3*C+63+3*C/2=<<3*C+63+3*C/2=3*C+63+3*C/2>>3*C+63+3*C/2 colored pencils