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: [[-2, 16, 28], [-47, 8, -31], [-43, 45, 17, -9], [24, 42]]

Answer: [-896, 8, 0, 1008]


Question: [[-33, -7, 36], [-27, 20, -2, -2], [-7, -7], [7, -29], [-3, 0, 30, -28], [27, 30, -13, 42], [33, -10, 21]]

Answer: [36, 80, 0, 0, 0, 1260, -10]


Question: [[-48, 13, -47, -25], [-16, -37, -50], [-34, 45], [6, 6, -41]]

Answer:
[-48, 800, -34, 36]