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.
[[23, 49, -2, -42], [11, -24, 21], [-36, 21, -29, -38], [25, 18, -17], [-45, -11, 50, -4, 3], [45, 3, -40, -29]]