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.
[[4, 39], [-5, 13, 10, -28], [-50, -20], [-25, -31, -5], [-37, -26], [14, -30, -25]]