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: [[32, 43, 15], [38, 46, 2, -39, 35], [34, -16], [28, 24, -37, 10], [-23, 19, 20, 31]]

[20640, -4772040, -544, -248640, -270940]