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.

[[18, 44, -31, -13, 34], [-41, -20, -11], [-47, 26, -48, -30, 35]]

[26928, -20, 37440]