In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the numerical elements in the given list. Return 0 if no numerical element in the list.
['265', 'o', 'n', '8497', 'O', '2315', '7245', 'e', 'c', '2875', '5037', '5227', 'D', 'i', '5491', '2969', '7915', '4009']