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.

[Q]: ['6001', '6423', '5591', '8721', 't', 'x', '3723', 'E', 'F', '7353', 'b']
[A]: 37812


[Q]: ['7361', '6913', '3605', '2081', '7619']
[A]: 27579


[Q]: ['8395', '9399', 'd', 'M', 'i', '6559', '27', '2155', '4263', '6693', 'o', '139', '9835', '8551', '1425', 'd', 'i', '7011']
[A]:
64452