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: [[23, -3, -11], [-46, -48, 12], [-18, 5, -14, -5], [25, 21, 36], [22, 7], [12, 50, 4], [-49, -32, 10], [-35, -3], [26, -48, 20], [3, 10, 16, 49, 31]]

[759, 26496, -6300, 18900, 154, 2400, 15680, 105, -24960, 729120]