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.
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Question: [[-11, 18, -12, -30, 23], [-18, 33, 40, -18, 19], [-16, -5, -43], [-34, -49]]

Answer: [6480, 12960, -16, -34]


Question: [[4, -6, 17], [-44, 38, -20], [30, 26]]

Answer: [-24, 33440, 780]


Question: [[-16, 0, 7], [-47, -40, 32, -50], [-41, 23, -36, 16, -43], [-37, 24, 28, -7, -24], [-33, -29, 19], [-1, 48, -45], [16, -9], [-1, -24, 25, -40, 32], [39, 47, 0, 42, -19]]

Answer:
[0, 64000, -576, -16128, 0, 48, 16, 30720, 0]