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: [[48, -13], [25, -15, -12, 15], [-41, 10, 29, 32], [-21, 38, -47, 27, -44]]

[-624, 67500, -380480, -44557128]