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: [[13, -7, -40], [48, 34], [7, 16], [-37, 3, 19, -20, 6], [-44, 37, 11, -12, -48], [-38, -19, -41], [-25, 34], [16, -5, 38, -6, -34]]

[3640, 1632, 112, 253080, -10315008, -29602, -850, -620160]