Definition: 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.
Input: [[-42, 42, 39, 10], [-21, -24, 12, 28], [-45, -1, 4, 20], [-46, -41, -25, 7, 2], [26, -47, -41, 42], [-40, -4, -31], [-6, -4, 19, 6, 12], [8, -39]]

[-687960, 169344, 3600, -660100, 2104284, -4960, 32832, -312]