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.
['M', '1357', '3485', '1421', '6073', '7555', 'u', 'w', '3531', 'H', 'p', '3721', 'X', 'x', 'H']