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.
[[-31, 37], [-27, 41, -29, -28], [50, 1, 6, -15], [-18, 14, -10], [-2, 14]]