Hey, I have a problem, I need eval function to calculate some function 
given in String like for example Math.cos(5+7); etc
I have been messing up with that piece of code, as of now just to return 
ints however I have failed badly.

    public static native int myMethod(String arg) /*-{
    eval("var myVar = '" + arg + "';");
    return myVar;
}-*/;

Any idea how to modyficate that piece of code to return float from lets say 
Math.cos(5+7) ?

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