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.
[[-47, 31, 28, -49], [-35, 20, -46, 20, -50], [-39, -48, 40], [50, -43, -30], [-45, -38, -50, -41, -25], [-42, -3, 11, -18], [34, -14, 36], [-40, 22]]