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, 38, -7, -36, -23], [8, -44], [-21, -9, -31, -32, 17], [12, 33], [-49, 40], [46, -7, 20, -31]]