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.

[[-7, 13, 50, 14], [28, -17, 34], [-44, -5, -38, -2, -28], [-12, -45, -18]]
[700, 952, 93632, 216]