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

### Instruction:
 一个显示器的尺寸是21英寸乘以12英寸。每英寸有100个像素。总共有多少个像素？


### Response:
 显示器的宽度是21*100=<<21*100=2100>>2100个像素
显示器的高度是12*100=<<12*100=1200>>1200个像素
所以总共有2100*1200=<<2100*1200=2520000>>2,520,000个像素