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:
['7187', '5651', 'd', '4869', 'q', '2375', '3547']
answer:
23629


question:
['2151', '7511']
answer:
9662


question:
['5507', '7131', '3373', '465', '9003', 'p', '4153', '2697', '2551', '5399', 'm', '8881', 'W', 'C', 'k', 'p']
answer:

49160