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, -3, 23, -21, -4], [29, 17, -22], [-19, -4, 15, -10, 24], [37, -49], [0, 29, 44], [-3, -12, -50], [-33, 43, -32], [-32, 22, 37], [-15, 43]]