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.
[[-40, -1, 23], [-26, -21], [18, 36, 29, -15], [50, 8, 20], [-40, -5, -15, -34], [-2, 35, -6, -49, -13], [20, -11]]