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, 11], [47, -42], [29, -17, 15], [30, 1, 32, 27]]

[77, -1974, -7395, 25920]