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.
[[30, 14], [1, 2], [-22, -12], [-27, 42, -15, -6, -2], [-29, -8, -31, 0, 33], [30, 7, -20, 20, -19], [45, 21, -2], [13, -12, 38, -49, -31]]