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: [[40, -28], [41, 37, 7, -23, -39], [29, -34], [40, -20, -2, 35, 48], [40, -28, 44, -10, -11], [21, 21, -27], [-29, -15], [28, -30, 33, -19, 36]]

[-1120, 9525243, -986, 2688000, -5420800, -11907, 435, 18960480]