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: [[-39, -49, -50, -18, 3], [-7, 40, -13], [-38, 42, 37], [49, 40, 42, 23, -10], [-18, 33, -2, 50]]

[5159700, 3640, -59052, -18933600, 59400]