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: [[37, -22, 8, -4, 13], [-21, 3, 37], [-15, 15, 0]]

[338624, -2331, 0]