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.

['b', 'O', '7023', 'q', '2667', '681', 'C', '5707', '7125', 'q', 'Q', '1375', '8869', '6709']
40156

['a', 'j', 'v', '619', 't', 'a', '5777', 'x', 'R', 'P', '8897', 'j']
15293

['E', '2351', '7587', '2591', '5017', '2261', 'W', '6011', 'H', '6931', '639', '6621', 'n', '9837', 'W', '85', 'v', '9853', '311']

60095