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.
[[39, -24, 7], [44, -22, -47], [-1, -40], [24, -46, 10], [40, -43, 44, 46]]