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: [[-49, 43, -7], [47, -6, -34], [-29, -46, -5, -7, -45], [-15, 20, -28, 44], [47, 9, 8], [19, 28], [-12, -42], [-45, 38, -2, 37]]

[14749, 9588, -2101050, 369600, 3384, 532, 504, 126540]