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.
[[2, -49, -42], [31, -49, -4, 23], [12, -41, -18, -4], [-45, 48, 18, -4], [-13, -19, 33, -37, -49], [44, 26, 8, -24], [-3, -15], [20, 18], [-10, 42]]