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.
[[41, -5, -26], [-21, 37, 4, 39], [39, 33, -31], [30, -41, -30, 19, -8]]