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:
['6563', 'R', 'M', 'B', 'b', 'E', '9911', '7327', 'J', '7389', 'w', 'b', 'c', '1527', 'K', 'r', '5441', '6823', '8455']
answer:
53436


question:
['8625', '9289', '4361', '3953', '7945', '705', 'L', '4071', 'O', '817', '6407', 'D', 'x', 'v', '419', 'x', 'Z', 't', 'A']
answer:

46592