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.
[[-31, 21, -34, -12, -36], [-26, 39, 47, -16, 50], [11, -23, -38, 8, 41], [-30, -35, -37], [-26, -20, -17, 5, 45]]