Definition: 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.
Input: [[-3, 24], [-40, -29, 19, 45], [-1, -12, -16, 18]]

[-72, 991800, -3456]