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:
['s', 'g', 'Z', '8919', 'R']
answer:
8919


question:
['h', '9539', '3373']
answer:
12912


question:
['X', 'Q', '7559', '8307', '9097', 'e', '4423', '4927', 's', 'S', '9007', 't', '4217', '9061', '3785', 'W', 'q']
answer:

60383