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: [[-43, -5], [28, -40], [-19, -20, 2, 50, 28], [10, 4, -25]]

[215, -1120, 1064000, -1000]