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: [[-21, -4, 24, 41], [-16, -50, -45, -44], [-17, -43, 17], [43, -7, 45]]

[82656, 1584000, 12427, -13545]