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: [[31, -28, -39, -26, -36], [-35, 19, -25, -6], [41, 13, 12, -41, 48], [47, 17], [46, 26]]

[31685472, -99750, -12587328, 799, 1196]