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.
[[1, -48, 19, 29], [10, 14, -4, -18], [23, -45, 38, 48, -45], [-26, 34, -9], [-21, 19, -37, 24, -11]]