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:
[[-41, -26, 2, -21], [-2, 18, -3, 2, 8], [-12, -34, -4, 46, 45]]
answer:
[-52, -576, -75072]


question:
[[-29, -40, -45, -11, 8], [-44, -42, -37, -7], [0, -12], [25, -48, -44, 14], [12, -44, 27], [13, -46, -27], [34, -20, 29]]
answer:
[-320, 1848, 0, 29568, -528, -46, -680]


question:
[[-35, 39, -50], [-23, -37, -21], [42, 37, -27, -30, -12], [-16, -19, -42], [10, 15, -36, 44, 6], [-36, 46], [15, -46], [-41, 18, -29, -36], [-7, 3, -20]]
answer:

[-50, 0, 15120, 672, -95040, -1656, -46, -648, -20]