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, 2, -16, 10, 3], [1, -13, 30, -49], [1, 7]]

[13440, 19110, 7]