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.
[[46, -9], [38, -37], [-50, 1, 17, -14, -25], [-23, 26, 20, 28, 22]]