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: [[17, -22, -38, 21, -4], [42, 23, -2, -42, 30]]

[-1193808, 2434320]