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, -5, 22], [3, 38], [-46, 30], [48, -5, -18, 37, 15], [-19, -31, 40, -35, 20], [13, -30, 31, -38], [36, -23], [41, -8, -21, 26], [5, -24, -1], [-3, 42, -1, -7, -48]]

[-4620, 114, -1380, 2397600, -16492000, 459420, -828, 179088, 120, 42336]