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: [[-28, -40, -29], [26, -18], [13, -32, 41, -34, -20]]

[-32480, -468, -11598080]