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.
[[18, -15, 24, 40, 0], [-11, 25, 20, 25, -49], [-15, 0, -25, -28, 24], [6, 6, 23, 44, -38]]