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.
[[-20, 36, -3, 15, -45], [-15, 31, -22, 50, 29], [47, -25], [44, -42, 7, -29, -50], [15, 18, -29], [10, 11, -21, -18]]