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: [[-3, -4, 45], [32, 30], [-19, 12], [-5, 9, -12, 31], [-2, -27, 26, -11, -38]]

[540, 960, -228, 16740, 586872]