Definition: 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.
Input: [[6, 48], [1, -30], [-39, -29, 11], [0, -16], [-49, 29], [-8, -42], [21, 32, -15], [3, -39]]

[288, -30, 12441, 0, -1421, 336, -10080, -117]