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: [[10, 31, 40], [-26, -11, 45, -30, -48], [-20, 1], [17, 14, -50], [-31, -7], [-37, -8, -37, -2, 10], [-24, 23, -31, 32], [43, 13, -48]]

[12400, 18532800, -20, -11900, 217, 219040, 547584, -26832]