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: [[-14, -28, 10], [49, -8, 25, 50], [14, -5, -40], [-20, -9, -30], [-47, 50, -8], [-49, 34, -10], [39, -32, 24, 31, 49], [-31, 41]]

[3920, -490000, 2800, -5400, 18800, 16660, -45497088, -1271]