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:
['3451', '2325', '2511', 'i', '6159', '2291', 'e', 'l', 'P', '1177', 'o', 'T']
answer:
17914


question:
['z', '9173', 's', '8937', 'h', '1881', '7929', 'b', '2441']
answer:
30361


question:
['1063', '5063', 's', '5381', '5007', '4115', '4883', '5393', 'c', '3181', '4759']
answer:

38845