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, 24, 24], [26, -5, -26, -23], [20, -11, -31, -9]]

[-21312, -77740, -61380]