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, -21, -21, 35], [10, 41, -11, 34], [-29, 12, -37]]

[432180, -153340, 12876]