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: [[-30, 37, -36, -44, -22], [36, -38, 39], [24, -31], [-48, 49, 16, -20]]

[38681280, -53352, -744, 752640]