# Perform arithmetic on previous answer/result, without copying/re-entering it?

I enter the following in sage:

`361-4*-216 #sage comment: I would like sqrt this without copying & pasting`

` `I'd like to then obtain the sqrt of that answer after its been generated.

On the Ti-83 plus, the device was able to generate 'Ans' after I pressed an arithmetic symbol such as division.