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.

[[18, 7, 2, -50, 8], [8, 28, 32, 30], [13, -31, -9], [-8, 4], [21, 6], [15, -41, -1, -27, 44], [9, -39, -24], [-28, -18, -16, 9], [-45, 47, -44]]
[-14400, 215040, 0, -32, 6, 44, -24, -8064, -44]

[[29, 7, 31, -4, 18], [-33, -13, 28], [-49, -24], [-20, 26, -49]]
[-72, 28, -24, -520]

[[18, -29, -47], [25, 26, 17], [28, 37, 8], [31, 42, 33], [12, 8], [1, 36, 46, -13, -2], [35, -39, 40], [32, 41, -29, -11, 43], [-16, 11, 44]]

[18, 26, 224, 42, 96, -3312, 40, 32, -704]