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: [[-25, 23], [40, 10, 28, -5, 49], [21, 11]]

Answer: [0, 11200, 0]


Question: [[41, 49], [-26, 45, 8, 27, -23], [15, -9, 13], [-50, -44, -21], [46, 3, -31]]

Answer: [0, -208, 0, 2200, 46]


Question: [[-27, -4], [43, -9, -34], [-39, 45], [-42, -4], [28, 47, -30, 27], [7, -29, 41]]

Answer:
[-4, -34, 0, 168, -840, 0]