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.
[[19, -13, -8, -45, -16], [39, 21], [12, 45], [-17, -25, 17], [4, 16, -23], [21, 11], [21, 4, -47, 19, -4]]