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: [[34, -26, -26, -31, -9], [-23, -12, 44], [34, 28, -40], [40, -45, -22]]

[6412536, 12144, -38080, 39600]