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.
[[-28, -7, 48, 7], [-9, 40, 4, -20], [13, -2, 12, -9, -9], [-43, -20, 25], [16, -19, -50, -27, 47], [44, 46, -50, -18, 38], [39, 43, -17]]