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: [[-12, -23], [-8, -38, -4, -4, -8], [-29, -46, -30], [22, -4, 49, 29], [31, -28], [22, -8, -23, 13, -40], [5, 47, -32], [11, 14, 17, -23], [30, -19, 16, 35]]

[276, -38912, -40020, -125048, -868, -2104960, -7520, -60214, -319200]