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: [[22, 29, 10, -12], [-28, -47, 5, 25, 42], [11, 1, 5, -38, 14]]

[-76560, 6909000, -29260]