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.
['I', '8397', '4761', '1529', '323', '6445', 'I', '4237', '7641', '7289', 'R', 'g', 'c']