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.
[[8, 3, 19, -42], [49, 13, 35, -38], [42, 2, -22], [-17, 37, 38, 40, 17], [26, 14, -32], [-33, -43, 8], [6, 20, -48, -45]]