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, -20], [-21, 23], [10, -39, 30, -34, -4], [23, -24, -47, 25, 14], [-42, 6, 50, -21, 31]]

[540, -483, -1591200, 9080400, 8202600]