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.
[[-29, -6, -5, -9, 35], [24, -48, -38, -37], [-50, 42, 15, 14, -18]]