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.
[[-7, -8], [40, 43, 4, -34], [-17, 22, 23, 50], [-28, -4, -26, -40, -25], [-25, -5, 14, 8], [-21, -43, 16, 23, 17], [-48, -31, -8, 6, -28]]