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: [[43, 39], [-25, -22, -13, -45], [4, -32, -19, 46, -4]]

[1677, 321750, -447488]