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: [[2, 46, 49], [-29, -7, -39], [19, -17, -16, 46], [-47, -10], [-11, 4], [-24, 19, -43, 47], [-34, 10], [-36, -8, -25, 31, -29], [44, 32, 4, 44, 31]]

[4508, -7917, 237728, 470, -44, 921576, -340, 6472800, 7682048]