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: [[39, 12, -19, -49], [45, 10, 19, 33], [-19, -11], [-34, 3, -49], [-44, 48], [17, -26], [-49, -44, -36, -23, 29], [-34, -44], [-48, 30, 2]]

[435708, 282150, 209, 4998, -2112, -442, 51769872, 1496, -2880]