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

### Instruction:
 马丁内斯先生比他的女儿奇奇塔高两英尺。如果奇奇塔身高5英尺，计算他们的总身高。


### Response:
 如果奇奇塔身高5英尺，那么马丁内斯先生身高为5+2 = <<5+2=7>>7英尺。
他们的总身高为7+5 = <<7+5=12>>12英尺。