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, 40, 11, 49], [42, -2], [30, 20], [22, -27, -49], [-7, -35]]