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: [[-10, 39, -31, 2], [-45, 4, 34], [-19, 25, 47, -4], [15, -3], [-10, 18, 50, 30]]

Answer: [-20, 136, -4, 0, -270000]


Question: [[33, 18, 35, -30], [33, -45], [-44, -4, 18, 38], [38, -22, -38], [25, -9, 0, 29], [8, -44, -5, -5, -25], [-16, 49, -31], [12, -35]]

Answer: [-540, 0, 120384, 31768, 0, -352, -16, 12]


Question: [[-17, 31, 2], [21, 41, 17, 4], [-6, 16], [-40, -28, -20, 44, -25], [-18, 29, -50], [18, 7, -13, -43, 16], [-37, -31, -13], [-18, -14, 29], [-21, 35, 50]]

Answer:
[2, 4, -96, -985600, 900, 288, 0, 252, 50]