instruction:
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.
question:
['g', 'A', 'm', '4005', '8079', 'G']
answer:
12084


question:
['89', '5965', '9463', 'k']
answer:
15517


question:
['H', '2823', 'o', '6225', 'g', 'Q', '4699', 'J', '2025', 'D']
answer:

15772