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.
['k', 'B', 'I', 'o', '5441', '6225', '313', '731', 'V', '4115', 'd', 'a', '7837', '4409', '4745', '4293', '5925', '5717', '5819', '2869', '4793', '575', '7493', 'k', 'U', '1815', 'L', 'Z']