instruction:
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.
question:
[[28, 49], [-9, -22, 27, -43], [-20, 15, -6, 31, -14]]
answer:
[28, -22, -1680]


question:
[[-46, 5], [9, 48, 17], [-6, -3, -26]]
answer:
[-46, 48, 156]


question:
[[-46, -39, 10], [39, 25, 31, 6], [-34, 15, 18, 39], [-6, 40, -8], [42, -10, -37], [-27, 50, 12, 23, 24], [5, -33], [-37, -23], [35, -19, -38, 21]]
answer:

[-460, 6, -612, 1920, -420, 14400, 0, 0, -38]