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.
[[44, -18, -8, 1], [41, -39, -16], [-42, 43, 25, 13], [34, -7, 47, -4, -48], [38, -49, -35, 31, -48], [13, -30, -28], [8, 34, 17, 29]]