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: [[42, 19, 32, 30], [-37, -33, 3], [-5, -22, -20, 32]]

[766080, 3663, -70400]