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: [[-26, -1, 1], [-28, 26], [-6, -43, 42]]

[26, -728, 10836]