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: [[-34, -24, 18], [-19, 1, 19, -41, -35], [-4, -17, 15], [-50, 22, -47, -4, 0]]

[14688, -518035, 1020, 0]