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: [[15, 14, -16, -10], [-15, 30], [-37, 46, 4]]

[33600, -450, -6808]