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, -11, 50, -18, 17], [48, -25, -17], [36, -3, 32], [-34, 4, -10, 22, 30]]

[1178100, 20400, -3456, 897600]