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: [[-7, 30, 10, 25], [-28, 49, 37], [-21, 31, -50], [22, 33], [-19, 22, -32]]

[-52500, -50764, 32550, 726, 13376]