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, -24, -2, 48, -1], [-48, -19], [8, -26, 26], [47, 18], [37, 41, 28], [40, 40], [-32, 41, -28, 23], [-17, 43, 16, 23], [-1, -24, -18, 39]]

[-71424, 912, -5408, 846, 42476, 1600, 844928, -269008, -16848]