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.
[[-21, 42, -42, -14, -13], [-49, 3, -17], [-38, -37, 14, 25], [21, -44, 48, -35, -26]]