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, 13], [-18, 24], [43, 45, 11, -26, 18], [49, 11, -28, -7], [-17, 9, -11, 0], [14, -4, 50], [-13, 20]]