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: [[0, 50, 16, -48, 7], [-2, -21, 12, 44], [20, -45, 14, 47], [-48, 10, -17, 34, 21]]

Answer: [0, -1056, 280, -16320]


Question: [[24, -35, -32], [-12, 35, 13, 39], [22, 10, 40, -50, -44]]

Answer: [-768, -12, 19360000]


Question: [[-3, -7], [21, -17, -30, 25, -26], [47, 24], [-42, -48, -12]]

Answer:
[0, 780, 24, -24192]