In this task, you are given an input list A. You need to find all the elements of the list that are numbers and calculate their sum.

['o', '445', '2601', 'h', 'V', 'C', 't', 'o', 'H', '3707', '7601']
14354

['887', '8133', 'X', '2253', '8461', 'I', '5425', 'Z', 'z', 'r']
25159

['3387', 'q', 'F', 'a', '6733', '7933', 'c', 'Z', 'e', '5405', 'Z']

23458