Q: 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.
['8393', '6351', '3093', '8431', '6263', 'Q', 'C', 'H', '1463', '1175', '1953']
A:

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
37122