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: [[-8, 7, -26, -1], [2, -17], [42, -24, 40, -43, 11], [-33, 41, -46], [-31, -28]]

[-1456, -34, 19071360, 62238, 868]