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: [[38, -3, 2, -40], [48, -35, -23, 14, -48]]

[9120, -25966080]