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: [[-25, 23], [40, 10, 28, -5, 49], [21, 11]]
A: 
[0, 11200, 0]