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: [[3, -2, -18], [8, -24, -34, -22], [-20, -41]]

[108, -143616, 820]