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.
[[5, 13, -19, -36, -44], [10, 14, 13, -43, 7], [-21, 31, 46, 1]]