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.
[[0, 42], [-23, 4, 50, 15, 21], [32, 43, -13, -34, -36], [-18, 20, -2, 47], [46, -50]]