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.
['3321', 'W', 'K', 'p', 'l', 'c', 'o', '4691', 'c', '7257', 'U', '1149', 'g']