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.
[[-4, -2], [-46, 44, 50, -49, 25], [23, -7], [19, -6, -17, -17]]