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

### Instruction:
 鲍勃订了一份有8片的比萨。他吃了一半，每片比萨有300卡路里。他吃了多少卡路里？


### Response:
 一片比萨：300卡路里
8片比萨：300*8=<<300*8=2400>>2400卡路里
一半比萨：2400/2=<<2400/2=1200>>1200卡路里