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, -38], [-2, 12, 3, -27, 40], [-18, 50], [19, 35, 46, -25]]

[-1824, 77760, -900, -764750]