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: [[18, -7, -13, 18], [-33, -21], [-50, 9, 11, 3]]

[29484, 693, -14850]