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.
[[-47, 22], [-42, 45, -8], [-28, 12, 20], [-43, 28, -21, 30, -5], [2, -10, -45, 13, -1]]