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, 17, 36, -50, -38], [28, 28], [-1, 49, 27, 22, 40]]

[-43023600, 784, -1164240]