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: [[42, 19], [6, 43, -36], [29, -39, -41, 47], [-13, 9, 35], [0, -16, 14, -47], [6, 20, 22, -2, 33], [15, -44], [19, -34, 0, 50], [1, -18]]

[798, -9288, 2179437, -4095, 0, -174240, -660, 0, -18]