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, 45, 47, -14], [-24, -40, 9, 4], [50, -41, 9, 2, -21], [41, -4, 37, 28], [-43, -13, -40], [-36, -2, 42], [-39, -21, 48]]

[1391670, 34560, 774900, -169904, -22360, 3024, 39312]