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.
[[-15, -32, 5, -42], [-7, -33, -31, 21], [-17, 49, -7], [3, -21, -16, -33], [44, -31], [-25, -4, -6, -28, -20], [-22, 44, 21, -11, -1], [8, -41]]