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.
[[7, -40, -26, 9, -43], [-29, 2, -33], [9, 31, 28, -40, -12], [34, -47, 8], [47, -36], [40, -36], [42, -23, 9]]