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: [[-27, -43], [23, -22], [13, 21, -47], [-18, -49, 1, -15], [-50, 12, 30]]

[1161, -506, -12831, -13230, -18000]