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.
[[-19, -5], [-23, -40], [-39, 9, 19], [49, 48, 21], [-39, -42, -48, 6], [2, -3, -30], [12, -29], [17, 23, -6, 50, 46]]