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.
[[-49, 43, -7], [47, -6, -34], [-29, -46, -5, -7, -45], [-15, 20, -28, 44], [47, 9, 8], [19, 28], [-12, -42], [-45, 38, -2, 37]]