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.
[[-39, 35, 37], [-29, 40, -14, 8], [-46, 14], [29, 32, -3, 44]]