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: [[16, -50, 11], [29, -14, 18], [-16, -25, -2, -48]]

[-8800, -7308, 38400]