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:
[[-15, 21, -15, -36, 14], [-48, 29, 33, 14, -17], [-30, 39, -24, -2, 46]]
answer:
[-504, -672, -66240]


question:
[[21, 6, -29, 28], [14, 37, -4], [44, -23, 20, 39, -9], [-30, 28, 40, -9], [33, 45], [-45, 36, -4, -14]]
answer:
[168, -56, 880, -33600, 0, 2016]


question:
[[37, 46, -23], [-23, 40, -19], [16, -9], [12, 34], [15, 17]]
answer:

[46, 40, 16, 408, 0]