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: [[23, -14, -21], [-40, -49, 13, 44, 16], [-45, -4, 15, 12, 24], [-49, 11, 50, -21], [50, 47], [-31, 23, 26, -10], [-31, -48, -35], [-40, 18, 14, 41, 29], [-10, 33, 12], [39, 16, 4]]

[6762, 17937920, 777600, 565950, 2350, 185380, -52080, -11985120, -3960, 2496]