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, -2, -44, -39, -14], [-5, -35], [-23, 30], [-35, -36], [14, 21, -47, 39]]

[-864864, 175, -690, 1260, -538902]