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: [[38, -50, 42, -22, -28], [40, -33, 27, 38], [19, -24, -23, -37]]

[-49156800, -1354320, -388056]