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: [[6, -26, 49, 47, -43], [-12, 9, 22, -38], [-10, 45, 21, -15]]

[15448524, 90288, 141750]