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.
[[9, 5, -13, -29], [-3, 8, -34, 19, -49], [-10, -6, -22, -49, -48], [-24, -46]]