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.
['P', 'w', '8639', '6357', '6751', '1925', 'w', '5263', '6941', '2457', 'I', '749', '1399', 'o', '6305', '2601', '139', '5837', '5011', 'f', 'R', '7111', 'O', 'd', '5671', '3727', 'G', 'B', '2973', 'o', 'b']