Okay, I figured it out. It is so simple I missed it.
If Bunny to the power of Banana is added to Bunny to the power of El Chippo, then the answer is equal to Bunny to the power of Banana multiplied by two, or Bunny to the power of El Chippo multilplied by two-- seeing as how Bunny to the power of Banana is equal to Bunny to the power of El Chippo.
![Smile :)](./images/smilies/icon_smile.gif)