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.
[[-42, -10], [15, 9, -3, 34], [-12, 44, -50], [-5, 18, 2], [40, 17, 44, 50], [21, -45, -2]]