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: [[-16, 50, -38, 24, 49], [9, -13, -37, 1, 46], [-28, 41, 13, 39], [-1, -10, -31, 10, 14]]

[35750400, 199134, -582036, -43400]