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.
[[26, -18], [-26, 1, 18], [35, -35, 39, -43, 49], [22, -24, 29, 34], [-43, -2], [-49, 25, -49, -42], [42, 37, 12, 7]]