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: [[-25, -37, -7, 47, 16], [-48, -5, 4, 10], [17, -24, 1, 21]]

[-4869200, 9600, -8568]