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.
[[-35, -8, -12], [16, 0, 5, 1], [22, -35, 16, -12, -35], [29, 5, 17]]