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: [[14, -49, -9, 48, 24], [2, -28, 21, -16]]

[7112448, 18816]