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.
[[-5, 31, -21, -42], [26, -4, 8], [-22, -16, 11, -22, -33], [-27, 41, 3, 0], [34, -29, 43, 48, -20], [-22, 0], [23, 10]]