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: [[-44, -15, 1, 28], [-39, -32], [-43, 32, -10], [-37, -47]]

[18480, 1248, 13760, 1739]