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.
[[5, 40], [-30, -8], [-7, -36, -44, 18], [19, 21], [42, 37, -46, 14], [-37, 48, 32, -41, -28]]