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, -14, 42], [-7, -31, -45, -36], [50, 41], [-16, 50]]

[8232, 351540, 2050, -800]