$(document).on("change",".chilean-format",function() {
    var idRealInput            = $(this).data("real-input"); // < input type= "x" class = "chilean-format" data-real-input="#id-real-input" />
    var valueFormatedInput     = $(this).val();
    var numeralFormatedBackEnd = numeral(valueFormatedInput);

    $(idRealInput).val(numeralFormatedBackEnd.value);
});