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: [[7, 50, 9], [21, -15, 0, 45, 3], [46, -36]]

[3150, 0, -1656]