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.

['2237', '2597', '2593', 'Y', '5345', 'g', 'l', 'I', 'p', 'u', 'L', 'T', '617', '9759', 'b', 'w', '7097', '9863']
40108

['D', 'C', '7295', 'g', 'j', '1387', 'O', '4701', 'B', 'd', 'W', 'b', 's', 'n', 'n', '4917', '2941', '1825', 'x']
23066

['4601', 'o', '897', 'f', '6579', 'j', '6579', 'w', '8261', 'c', '5317', 'Y', 's', '4559', 'C', '639', 'l']

37432