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, -30, 28, 22, -22], [-29, -21, 7], [41, 13, -42], [24, 7, -49, -37, 19], [-15, 9], [-36, -25], [36, -16, 18, -22], [-49, -3, -4, -49]]