TASK DEFINITION: In this task you will be given a list, of lists, of integers. For every inner list contained in the input list, you should multiply every even number in that list. The output should be a list of integers with the same length as the number of lists in the input list. If there are no even numbers in an inner list you should output 0 for that list.
PROBLEM: [[48, 41, 24, -29], [49, 22, -2, 27], [-39, 49, 37, 38, -29], [-18, 23, -5]]

SOLUTION: [1152, -44, 38, -18]

PROBLEM: [[15, -20, -29], [-28, -45, -10], [27, -43], [33, 32, 1, 38], [-14, 5, 19, -3], [31, -30, -28, 20], [-33, -48, 22, -30, -46]]

SOLUTION: [-20, 280, 0, 1216, -14, 16800, -1457280]

PROBLEM: [[-28, 14], [-9, 23], [-37, 17, -30, 30, -5], [37, -39, 29], [22, 2], [44, -39, -14, -46, 14], [31, -27, 17, -40, 36]]

SOLUTION:
[-392, 0, -900, 0, 44, 396704, -1440]