TASK 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.
PROBLEM: [[5, -28, -29, -1], [-36, 19, -21]]

SOLUTION: [-4060, 14364]

PROBLEM: [[12, -5, -20, -39, 26], [3, 25, -31, 17], [8, -21]]

SOLUTION: [-1216800, -39525, -168]

PROBLEM: [[-5, -40], [15, -25, -10], [-40, 21, 26, 12], [38, 35], [12, -27, -5, -4, -10], [-7, -16, 23, 2, -8], [17, 35, -42], [19, 16, -42, -47], [42, 23, -29, -34, -40], [41, 30, 18, -46]]

SOLUTION:
[200, 3750, -262080, 1330, 64800, -41216, -24990, 600096, -38099040, -1018440]