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.
[[-6, 1, -41], [10, -13, 2, -23], [12, -16], [31, -16], [13, -25, -38, -21], [-45, -17]]