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: [[-47, -20, -24, 15], [-19, -14, -37], [1, 47, 27], [-24, -36, 30]]

[-338400, -9842, 1269, 25920]