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.
['n', '103', 'R', 'g', '1837', '6725', 'W', 'F', '8989', 'K', 'U', '6395', 'F', '4571', '6167', '425', 'i', '8785', 'k', '4781', 'w', '445', 'M']