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: [[-43, -20, 7], [-10, 44, 21], [-45, -34, 38, -22, 31], [11, 27]]

[6020, -9240, -39651480, 297]