How to use Output cache for page VarybyUrl

Question

I have a page which page content will cahange by Url i want to store the that page in output cache how can i do this?

 

Mark/student/4

Mark/student/7

Mark/student//8

 

what are the result will come i want store tha page conent in a output cache,show that if if in fututre that ulr will come i will load it from cache.