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: [[26, 45, 0, 5, 36], [-4, 40, 9, -20], [21, -36]]

[0, 28800, -756]