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: [[-16, 23, -39, -20, -19], [-16, 30, 1], [-13, -1, -44, 36], [-17, 12], [30, -42]]

[5453760, -480, -20592, -204, -1260]