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: [[15, 0], [-29, -20], [-12, -33, 12], [-21, -38, 11], [6, 31], [24, 29, 40, -10]]

[0, 580, 4752, 8778, 186, -278400]