In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
[[34, -1, 8, 18, 9], [34, -6, -46], [-20, 17], [3, 39, 22], [18, 47, -50, -19, 40], [8, 6], [47, 29, -35]]