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: [[40, 27, 5, 49], [-20, -39, 36], [-31, -15, -12], [-39, 49, 15, 50], [40, -43], [7, -48], [32, 17, -23, -40, 37], [-49, 49], [-47, 11, 8, -23], [-16, 22, 17, -39, 1]]

[264600, 28080, -5580, -1433250, -1720, -336, 18517760, -2401, 95128, 233376]