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.
['7421', '8645', '747', 'R', 'o', 'p', 'g', '2621', '8341', 'd', '8953', '8781', '4319', '2997', '3371', '1483', 'b', 'G', '4023', 'e', '4665', '3117', 'n', 'K', 'w', 'F']