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, 26, 15, 10], [42, 16], [38, -2, -29], [-5, 2, -21, -49], [41, -2], [47, 22]]