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.
['d', '7727', 'b', 'j', 'm', 'a', '1889', 'a', '723', 'U', 'p', '1921', 'r', '7117']