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:
['2225', '1925']
answer:
4150


question:
['V', '2633', '3269', 'r', 'Q', '3517', '2571', 'G', '4105', 'm', 'z', 'B', 'A']
answer:
16095


question:
['4233', '941', 'a', '6465', 'l', '4625', 'L', 'E', 'l', '5955', 'Z', 'd', 'b', 'C']
answer:

22219