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: [[27, 41, 26, 22], [-7, 2, -42, 7], [-26, -23, -48], [48, 13], [48, -18, 1]]

[633204, 4116, -28704, 624, -864]