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.
[[-42, 39], [-5, 39], [-26, 49, -4, -45, 15], [27, 31, -17, 21, -16], [-35, 25], [46, -24], [-4, -42, -47, -46], [-38, -7]]