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.
[[13, 30, 1], [11, -35, 46], [38, 25, -21, -28], [24, 43, -7], [9, 0, -19, -21], [-19, -38], [-15, -43, 48, 31, 17]]