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.
Q: [[-7, 36, 46, 2, 29], [40, -45, 0, 36], [-25, -28, -11, -11, -21]]
A: 
[3312, 0, -28]