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.

['989', '9937', '7857']
3

['5621', '9729', '2577', '3735', 'e', '8589', 'J', 'j', '5853', '8671', '4183', '1947', 'Z', 'R', '1881', '839', 'x', 'B', 'N', 'j', 'f', '675']
12

['N', 'X', 'u', '2697', '7711', '7221', '1539', '5771', '5117', 'j', 'O']

6