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: [[27, -2, -6, 10, 48], [-50, 20, -2, 23], [-12, 30, -9], [-13, 2, -42, 48, -28]]

[155520, 46000, 3240, -1467648]