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.
[[44, -39, -50, -14], [-24, 2, -44, -29], [-29, 44, -28, 43, 18], [-20, -13, -25, 44]]