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: [[-4, -10, 5], [-48, 26], [36, 12, 35, -29, 40]]

[200, -1248, -17539200]