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: [[-1, 42], [-40, -29], [-18, -5], [-28, 44], [25, 43, -12, -47], [-27, -3, -44], [30, -6, -14]]

[-42, 1160, 90, -1232, 606300, -3564, 2520]