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:
[[-26, -47, 10, -26], [14, -47, -18, 12], [-33, -10], [-50, 23, -25, -48, 26], [4, 34, -30, 37, -23]]
answer:
[6760, -3024, -10, 62400, -4080]


question:
[[-30, 7, -21, -29, 12], [15, -5, 19, -47], [-48, 5, 25], [28, -42], [-45, 5, -28, -28, 15], [38, 34], [43, 2, 8, 33, 5]]
answer:
[-360, 0, -48, -1176, 784, 1292, 16]


question:
[[-23, -3], [-48, -14], [-37, -35], [-50, 43, 24], [35, -49, 14, 46]]
answer:

[0, 672, 0, -1200, 644]