Yes, of course.
You may display the results on the "End message screen".
Use the Expression Manager (in 4.x. expression script) to calculate and display everything you'd like.
Study the sample surveys
manual.limesurvey.org/Expression_Manager_sample_surveys
The first one "Relevance, Tayloring and Equations" with the BMI example show you how to do it.
Joffm
Volunteers are not paid.
Not because they are worthless, but because they are priceless