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: [[-21, -29], [46, -18, -4], [-45, -25], [17, -49, -41], [29, -11, 19, 9], [3, -47, -14, -23]]

[609, 3312, 1125, 34153, -54549, -45402]