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: [[21, 31, -37, 0], [23, 35, -43], [20, -45, 4, -3], [-41, 10, 1], [-44, -3, -49, -27], [43, 17, 28], [32, -40, 12, -46, 6], [-33, 17], [-38, 46, 14, -29, -15], [-3, -17, 24], [26, -43]]

Answer: [0, 0, 80, 10, -44, 28, 4239360, 0, -24472, 24, 26]


Question: [[18, -39, -15], [-15, 23, 38], [-9, 37], [-16, -1, 28], [48, 3], [34, 19, -19, 46], [37, 26, -12, 12], [-37, -2, 0]]

Answer: [18, 38, 0, -448, 48, 1564, -3744, 0]


Question: [[-20, 35, -34, -34], [24, -13, -38, 48, 37], [-25, -45, 47, -8, 2], [-13, -7, -36, 7, -22], [-8, 12, 16, -14, -47], [20, 38, 33, -24], [40, 10, 35], [37, 20, 20, -24, -23], [33, -22, 50, -42, 21], [-46, -44, -20, -18], [-50, -9, 35, -25, -37], [-45, 44]]

Answer:
[-23120, -43776, -16, 792, 21504, -18240, 400, -9600, 46200, 728640, -50, 44]