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.
['6427', '7039', '6081', 'D', '3435', '7769', '7481', '7685', '5089', '5157', 'V', 'w', '3187', 'm', 'C', '3733', '179', 'U']