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, 20, -26, -29, 49], [-7, -23], [27, 34, 24, 1, 16], [-11, 42], [48, -23, 50, -25], [31, -31, -16]]