Definition: 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.
Input: [[-46, 48, 17], [-41, -34], [21, 13, -39, -46]]

[-37536, 1394, 489762]