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: [[50, -32, 9, 20], [43, -26], [-31, 45, -25, 15, 38], [40, 49, -19, 17, -18], [-3, -29, 49, 10], [-50, -3, 11, 42, 41], [28, -4, -47, -36]]

[-288000, -1118, 19878750, 11395440, 42630, 2841300, -189504]