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: [[31, -43, 22, 31], [36, -38], [43, 19, 28, 2], [-22, 5, 18], [37, -17], [-5, 1], [-32, -3, -4, 27], [26, 15], [-13, 31, 16, 21, 16], [6, -19]]

[-909106, -1368, 45752, -1980, -629, -5, -10368, 390, -2166528, -114]