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: [[10, 14, -18], [-50, 43, 7, 24], [18, 48]]

[-2520, -361200, 864]