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.
[[-46, -19, 20, -15, 25], [-20, 34, -35, 2, 29], [-30, -21], [39, 50, -22], [27, -31], [4, -42, 33], [6, -9, -26, 2], [39, 42, -49]]