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.
['6315', '7507', '8743', 'm', '8823', '9759', 'Z', '4995', 'h', 'M', 'k', 'R', 'F', '2667', 'N', '5433', '6325', '391', 'C', '3363', '1249', 'r', 'o', 'L', 'L', '2431', '7915']