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, 0], [11, 45], [43, 17, 21], [-21, -36, -15, 40], [-39, -47], [-32, -39], [50, 50, 33, -23]]

[0, 495, 15351, -453600, 1833, 1248, -1897500]