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:
['3723', 'v', 'j', 'e', '2017', 'd', '4211', '2079']
answer:
12030


question:
['1965', '8127', 'x', '4981', '8077', 'O', '467', '701', 'V', 'm', 'y', '5989', '123', 't', '4019', 'j', '1827', '8799']
answer:
45075


question:
['9375', 'Y', 'i']
answer:

9375