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: [[18, 40], [23, 36, -30, -24], [47, -36, 12, 19, 27], [18, 3]]

[720, 596160, -10415952, 54]