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: [[1, 28, -28], [19, 27, -25, -24, 9], [37, -29, 7], [-44, -31, -24], [-6, 48], [-31, 45, 41, -40], [-50, 39, 35, 6]]

[-784, 2770200, -7511, -32736, -288, 2287800, -409500]