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.
[[35, 33, -12, -1], [5, -41], [39, 37], [13, 15, -40, -38], [-18, 37, -23, -35, -49], [20, 10]]