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:
['2039', '1679', '9675', 'S', 'J', '2069', 'r', 'e']
answer:
15462


question:
['e', '9777', '1835', 'N', '2425', '1427', 'o', '4459', '9961', '3285', '5199', 'x', 'e', '7727']
answer:
46095


question:
['9097', 'o', 'r']
answer:

9097