Detailed Instructions: 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: ['8195', 'm', '9497', '5323', '4701', '3057', 'P', '9423', '267', '3125', 'n', '3989', 'W', '9843', '2949', 'g', 'E']
A:
60369