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.
[[-30, 4, 23, -31, -13], [25, 43, 28, 41, -19], [-26, 44, -49], [-35, -46, -28, -27], [-23, -49]]