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, -4, 47], [-29, 1, 29, 18], [0, 2, 36, -42], [-22, -43, 32, -4, 50], [43, -30, 21], [23, 29, -23, -44, 20], [-31, 29, -23, -32], [11, 28], [-46, -5, -31]]

[7144, -15138, 0, -6054400, -27090, 13500080, -661664, 308, -7130]