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: [[-38, -38, 12, -19, 33], [34, 7], [-45, -15, -29, 21, 49]]

[-10864656, 238, -20142675]