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: [[-46, -49, 5, 39, 34], [35, 9, -20, 22, 8], [-16, -42, 29]]

[14944020, -1108800, 19488]