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: [[29, 17, -16], [-31, -5], [-4, 32, 17, 35], [11, -18]]

[-7888, 155, -76160, -198]