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: [[39, 31, -22, -28], [-43, 45], [-16, 8, -19, 27, 40], [45, -49], [-34, -33, 41, -21], [0, -13, -36, -46, -6], [-44, -3, -46, 39], [-3, 22, -34, 32, 37], [20, 1, 42], [21, 17, 31, 32]]

[744744, -1935, 2626560, -2205, -966042, 0, -236808, 2656896, 840, 354144]