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, 38, 22, 15], [9, 42, -29, -36, -14], [25, -41, 26, 49], [-12, -5, -28, 45, 30], [4, 3]]

[326040, -5524848, -1305850, -2268000, 12]