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.
[[-15, -49], [-21, 46, 19, 4], [-29, -22, -38, 24], [22, 0, -33], [-39, -38, 4, 7]]