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: [[22, 7, -23, 11, 48], [-13, -15, -3, 8, 46], [39, 7, -40, 22], [-47, -24, -40]]

[-1870176, -215280, -240240, -45120]