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: [[32, -24, -39], [-49, 30], [32, -22, -10, 22, -15], [-28, -36], [-14, -4, 5, -21]]

SOLUTION: [-768, 30, 154880, 1008, 56]

PROBLEM: [[-2, 16, -17], [34, -41, 9, 38], [-14, 13, -40, -3]]

SOLUTION: [-32, 1292, 560]

PROBLEM: [[15, -1, -37, 5, 28], [-49, 11, -7], [-13, 10, 13, 26], [3, 22, 40]]

SOLUTION:
[28, 0, 260, 880]