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: [[26, 39, 47, -8], [30, 28, -16, -3, -43], [-17, -30, 30], [-50, 14, 16]]

[-381264, -1733760, 15300, -11200]