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: [[34, 33, -43], [47, 23, -48, -29, -23], [-44, -21], [5, -42, 22]]

[-48246, -34609296, 924, -4620]