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, 36, 42, 2, -10], [-33, 5], [-23, -34, 1]]

[-786240, -165, 782]