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, -15, 12, -34], [40, -39, -1], [15, -42, 43, 49], [32, -24], [-28, -10, -27], [9, 33, -17, 44], [35, 17, -22], [-27, -15, 28, 48, -46], [39, -10, -31, -1], [-47, -44, -46]]

[257040, 1560, -1327410, -768, -7560, -222156, -13090, -25038720, -12090, -95128]