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.
[[-25, 15, 38, -28], [-48, 14, 0], [49, 31, -32, 15, 39], [-3, 46, 50, 28, 28]]