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: [[28, 46], [19, -21, -20], [-32, 28, -38, -40, 22]]

[1288, 7980, -29962240]