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: [[48, -27, -3, -41], [-9, -38, 40], [-23, -37, -29, -24, 20], [-29, -16, -44]]

[-159408, 13680, 11845920, -20416]