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: [[7, 5], [49, -3, 22], [-35, -6, 1, -17, -4], [9, 11], [-50, 20]]

[35, -3234, 14280, 99, -1000]