[Zope] A Question about XMLRPC

i am come from taiwan i have a question about XMLRPC i have serched your article in the internet but still can't find the answer i want to call XMLRPC in the javascript ex .. can i type a = 2 , b = 3 and call XMLRPC to acess the answer then return the answer ??? how can i do ??? thx for your read ....