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: [[29, -40, -14, 4, 14], [-32, 40, 13, 42], [-2, -40], [1, 6, -14, -3], [-18, -15, 29, 30, 10], [18, 8], [39, 11, 41, -3, 49], [18, 10], [45, -49, -50]]

[909440, -698880, 80, 252, 2349000, 144, -2585583, 180, 110250]