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.
[[39, -15, -16], [-3, -2], [-40, 25, 43, 6, -23], [40, -12, -13], [16, 1, -11, 10]]