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: [[28, 4, 47, 40], [35, -21, -39, -11, 43], [22, 17]]

[210560, -13558545, 374]