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.
[[50, -7, -7, -47], [-45, 34, 49], [-43, 19], [-27, 12, 13, 2], [-40, 42, 31, 31], [3, -46, 32, -26]]