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.
[[3, -12], [23, 2, -4, 7], [41, -37], [-8, -47], [2, -41, 37, 11, -12]]