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: [[50, 39], [-26, 39], [-28, -2, -14, -50], [-33, -36, 25, 17]]

[1950, -1014, 39200, 504900]