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: [[-12, -33, 31, 43], [-47, 28, 49, 33], [-29, 40, -42, -38, -17], [8, -6, -42], [-46, 12, 21, 19, -13], [-39, -7, -32, -35], [20, -43, 19, 26, 36], [-50, 30, -44, 47, 1]]

[527868, -2127972, 31473120, 2016, 2863224, 305760, -15294240, 3102000]