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: [[18, -35, 28, -28], [8, 34], [-22, 28, 32, 47, -20], [9, -21, 0, -14], [-16, -41, -37, 5], [-29, 3, -18], [45, 22, 50], [-28, -7, -32], [-43, 40]]

[493920, 272, 18529280, 0, -121360, 1566, 49500, -6272, -1720]