instruction:
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.
question:
[[-29, 37, -20], [13, 17, 13, -33, 2], [-8, 34, -44]]
answer:
[-20, 2, 11968]


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:
[[-4, 47, 50, 9], [-42, -22, 12], [21, 33], [16, 8, -21, 30, 46], [-28, -21, -7]]
answer:

[-200, 11088, 0, 176640, -28]