Q: In this task you will be given a list, of lists, of integers. For every inner list contained in the input list, you should multiply every even number in that list. The output should be a list of integers with the same length as the number of lists in the input list. If there are no even numbers in an inner list you should output 0 for that list.
[[12, 46, 0, -40], [47, 35, -29], [-20, 10, -6], [-49, -35, 29, 43]]
A:
[0, 0, 1200, 0]