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: [[-15, 48], [2, 45, -38, -42, 47], [22, -39], [36, -49, -9, -11, 27]]

[-720, 6751080, -858, -4715172]