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: [[20, 48, -34, 41, 46], [42, -2], [47, -20], [50, 38, 2, -20]]

[-61559040, -84, -940, -76000]