Question 1071042

There are 2 rugs. The bedroom rug is 14 by 15. Living room rug is 13 by 16.
How much large is the bedroom rug than the living room rug?

Do I add all the sides? 
<pre>Size indicates AREA.
Find the area (length x Width) of each, and subtract the smaller (living room rug) area from the larger (bedroom rug) area.