i am not able to figure out What is printed to the console :   what will be the output of the following code ?`enter code here`


    String[] letters =
    {"laid","leave","lean","ease","east","legals","revo","fights","limit","live
    "};
    int result = Stream.of(letters)
    .filter(w -> isVowel(w.charAt(3)))
    .mapToInt(w -> w.length())
    .filter(w -> w % 2 == 0)
    .sum();
    System.out.println(result);

