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.
['J', '315', 'C', 'o', 'B', '651', 'U', 'l', '2731', '8269', 'c', '5825', 'm', 'n', '365', 'S']