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.
[[50, -44, 3, 23, 29], [18, -17, 20, -15, 41], [4, -13, 46, -43, 9], [22, -29, 17], [-29, 11, -25, 11], [-40, 30, 4]]