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: [[-45, -24], [10, 12, -13, -15, -9], [-12, -17], [-3, -1]]

[1080, -210600, 204, 3]