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.
['U', 'q', 'b', '7487', '4837', 'x', '6117', 'l', '1915', 'I', 'k', '3863', 'd']