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.
[[20, 0, -9, 36, 46], [-28, -18, 35, 26], [-18, -15, -25], [-2, 44], [-40, 21, 23, -36, 31], [-18, -30]]