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.
[[31, -29, 19, 22, 3], [-49, 22], [42, -12, -37, 28], [-42, -35, -49], [-48, -42, 44], [4, -5, 9, 17, 5], [13, 13], [-32, -24, 43, 36]]