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.
[[-33, -8, -48, -13], [49, -29, 3, -39], [42, 50, 30, -21, 15], [-1, -33, 20, 19], [-21, 24, 34, -23], [-49, -4, 33, 23], [7, -11, 21, -38], [21, 18, -22, -12, 30]]