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.
[[-12, -47, 18], [-43, 19, 3], [24, 37, 34, 13], [13, 36], [27, -50, 4, -1, -1]]