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: [[40, 16, -31, -12], [-14, -12, -38, 15], [26, -21, -27], [28, -24, -7], [-26, 49, -31], [-45, 46], [-48, 13, -25], [-47, -38, 26]]

[238080, -95760, 14742, 4704, 39494, -2070, 15600, 46436]