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: ['9125', '1443', '2303', 'O', '8463', '401', '3983', 'g', '4327', 'z', 'n', 'F', 'Q', 'j', '9885']

Answer: 39930


Question: ['4437', '1265', '1519', 'K', 'Q', 'b', 'n', 'J', '6631', 'K', 'q', 'D', 'U', 'u', '3653', '5169', 'L', 's']

Answer: 22674


Question: ['9251', 'P', 'E', 'I', '2401', 'Y', '5295', '8109', '4743', '8739', 'x', 'a', 'I', '1291', '4249', 'Y']

Answer:
44078