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: [[-11, -13, 17, -30], [-47, 1, 49, -39, -47], [50, -6], [-49, -42, -49, 11], [12, -6, -19, -26, -20]]

[-72930, -4221399, -300, -1109262, 711360]