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: [[-11, -26, 13, 42], [-38, -29, 3], [-32, -20, 44, 44], [30, -11, 18, -47], [-28, -29]]

[156156, 3306, 1239040, 279180, 812]