Given the task definition and input, reply with output. 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.

[[-40, 31, -27, -15], [-31, -45, -20], [46, -26], [-47, 8, 8, -30], [5, 24, 36, -19], [41, 45, -48, -3], [37, 29, 46, -23], [20, 10, -48, -33, 8]]

[-40, -20, -1196, -1920, 864, -48, 46, -76800]