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.
[[42, -10, -41, 41], [6, -10], [-32, -47, -39], [44, -46], [-12, -39]]