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.

['597', 'i', 'd', '3201', 'u', '1111', '8563', 'c', 'E', '5983', '6293']
25748

['5199', 'h', 'T', 'T', 'l', '1661', 'p']
6860

['e', '7085', 'C', 'e', '1383']

8468