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:
[[-38, -29], [9, -32, 23, 9, -2], [48, 16, 16]]
answer:
[-38, 64, 12288]


question:
[[35, -38, 16, -3], [-26, -45, 45, -7], [20, -38, 40, -42, 33], [-34, 37], [31, 20], [-4, 6, 17], [-17, 16], [-21, -7, 11, 31]]
answer:
[-608, -26, 1276800, -34, 20, -24, 16, 0]


question:
[[47, 47], [-28, 23, 26], [-38, 39, 36], [-37, 21, 40], [47, -2, 21, -8, -14], [-5, 49, -33, -36], [16, 38], [48, -34, 32, -8]]
answer:

[0, -728, -1368, 40, -224, -36, 608, 417792]