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: [[14, 49], [-44, 34, -16, -11, -12], [14, 21, 23], [10, -29, 47]]

[686, 3159552, 6762, -13630]