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.
[[30, 46, -44, -6, 6], [-42, -34], [-5, -48, -29], [-21, -17, -9, -38]]