Definition: 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.
Input: [[29, -42, 49, 17, 7], [-32, 2, -43, 31], [-48, -32, -31, 19, -16], [-6, 42, 12], [17, -37, -49, 22]]

[-7102158, 85312, 14475264, -3024, 678062]