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.
[[-15, 44], [-2, 19, -36], [28, -41, -9, -46, 31]]
A:
[44, 72, -1288]