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.
[[15, -4, -45], [-33, -47, -11, -29], [0, 0, 11, -41], [-15, -14], [14, -10], [33, 4, -37], [11, -50, -29], [10, 49, 28, 23]]