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.
[[-12, 17], [-29, 21, 34], [-37, 22, -19], [28, 39], [50, 49, -20], [0, 12, 23, -14], [23, 13]]