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: [[30, -27, 8, 2], [-45, -24, 31], [39, -12, -2, 46], [0, -10]]

[-12960, 33480, 43056, 0]