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: [[-42, -8], [-36, 35], [14, -25, -36, -34, -29]]

[336, -1260, 12423600]