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: [[13, -46], [31, -9], [-40, -12, 23], [-19, -7, -13]]

SOLUTION: [-598, -279, 11040, -1729]

PROBLEM: [[-10, 30, 20, 2, -15], [5, 2, 17, 18]]

SOLUTION: [180000, 3060]

PROBLEM: [[36, 37, 27, 41], [23, -24, -31], [-3, -20, -39], [-10, 46, -35, 17, -38], [48, -35, -28, -46]]

SOLUTION:
[1474524, 17112, -2340, -10400600, -2163840]