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.

Input: Consider Input: ['t', '7015', '2239', 'I', 'F', 'E', '1363', '9615', '6179', '2539', 'z', '8745', '1319', '4715', '9071', 'K', '3707', '6149', 'd']

Output: 62656


Input: Consider Input: ['4425', 'x', '1959', 'C', 'c', 'D', 'M', '8317', 'q', 'x', '4277', 'N', 'z', 'I', '1921', 'o', 't']

Output: 20899


Input: Consider Input: ['m', '7367', '4825', 'e', '9949', '6181', 'r', 'j', 'O', '6957', '473']

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: 35752


