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, -22, -23, 4, 38], [-7, -46, -23, -19], [-30, 8, -23, -42, -8], [-20, -34, 42, 32, 4]]

[1384416, 140714, 1854720, 3655680]