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: [[5, 42], [39, 20, -25, -3], [-1, 6, 21, 28, -20], [-47, -11, 49], [-45, -38, 47], [15, 22, 8], [-40, 48, -24, 18], [27, -46], [-7, -6, 20], [-1, -43, -35, 20, -17]]

[210, 58500, 70560, 25333, 80370, 2640, 829440, -1242, 840, 511700]