In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.

[-4, 6.615, -72.369, 25.929, 9.62, -44, 14.16, 60, -8, -91, 13.785]
[-4, -44, 60, -8, -91]