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:
['7361', '6913', '3605', '2081', '7619']
answer:
27579


question:
['N', 'O', '2635', '8891']
answer:
11526


question:
['T', '8695', '5967', 'N']
answer:

14662