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.
[[38, -6], [1, -47, -1], [-40, 40, -38, -5], [-30, -47, 44], [31, 21], [-16, 9, 4]]