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: [[-14, 25, 47, 31, -9], [-25, 17, -14], [39, 20], [-11, -37, -30], [-9, -40, -8], [21, -49, 4]]

[4589550, 5950, 780, -12210, -2880, -4116]