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.
['r', 'A', 'S', '7749', '5661', '5325', '8307', '6173', 'M', '843', '6375', '8349', 'i', '2733', '4765', 'Z', 'f', 'u', 'r', '8375', 'F', '8217', '7089']