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, 4, -3, 6], [-8, 37, 19, 44], [42, -47, 35], [-10, 48], [-39, -6, -41], [41, 20, 40, 2], [-10, 42, -49]]

[-1440, -247456, -69090, -480, -9594, 65600, 20580]