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: [[30, -46, 47, -47, -48], [-40, 46, 27, 35, 38], [-1, -8], [4, 23], [29, -21, -3]]

[-146324160, -66074400, 8, 92, 1827]